New York State Department of Environmental ... - Lewis County, NY
New York State Department of Environmental Conservation Bureau of Flood Protection and Dam Safety
Visual Observations DAM NAME
Croghan Island Dam
STATE ID
112‐0340
COUNTY
Lewis
SECTION
A
HAZARD CODE INSPECTION DATE
DOWNSTREAM HAZARD
Croghan INSPECTOR(S) BEAVERITE CORPORATION VAUGHN ZEHR CROGHAN ISLAND MILL LUMBER CORPORATION High TOWNSHIP
WATER LEVEL BEHIND DAM
1.2 feet over log sluice opening
DRAIN OPERATION
Unknown
NEAREST DS CITY/TOWN OWNER'S NAME
C 7/28/2011 PJC/AXD
Town of Croghan
DEFICIENCIES
X
1)Seepage 2)Slope Stability 3)U d i bl Growth 3)Undesirable G th
X X
4)Maintenance 5)Surficial Deterioration 6)Voids 6)V id
X X
7)Cracking 8)Movement/Misalignment 9)D t 9)Data
General: –Site visit was conducted to meet with village, town, county, and state officials and DEC officials (Judy Drabicki - Region 6 Director) to determine how many stop logs could be removed. Decision made, approved by DEC Commissioner, to remove 2 feet of stop logs. 2 feet of stop logs were removed by DEC Operations staff.
07/28/2011 Page 1 of 31
Photo 1 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section as observed from the bridge over Bridge Street before 2 feet of stop logs were removed- Total flow at dam is approximately 650 cfs per USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 2 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section's left sluiceway as viewed from the Bridge Street bridge before the stop logs were removed - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 2 of 31
Photo 3 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the log sluice and entrance of the left sluice in the northern section as viewed from the right upstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 4 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the right sluice in the northern section as viewed from the right upstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 3 of 31
Photo 5 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the discharge of the right sluice in the northern section as viewed from the right downstream training wall - Total flow is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 6 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the discharge of the northern section as viewed from the right downstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 4 of 31
Photo 7 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the cracked northern section's left sluiceway's cracked training wall as viewed from the Bridge Street bridge before 2 feet of stop logs were removed - .
Photo 8 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Staff gauge located at the entrance to the southern section's right sluiceway (powers Croghan Lumber Mill) as viewed from the bridge to the island wall - before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage.
07/28/2011 Page 5 of 31
Photo 9 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Dam's southern upstream face as observed from the bridge to the island wall before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage.
Photo 10 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Measurement of the opening in the northern section's left sluiceway's cracked training wall as viewed from the downstream side (on the island).
07/28/2011 Page 6 of 31
Photo 11 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 7 of 31
Photo 12 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section as observed from the left side of the dam (on the island). Before additional 2 feet of stop logs were removed.
Photo 13 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left side training wall of the southern section right sluiceway as viewed from the right side training wall - note cracked concrete and voids in wall.
07/28/2011 Page 8 of 31
Photo 14 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Cracks in the southern section right sluiceway's right training wall as viewed from the sluiceway's left training wall.
Photo 15 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the southern section's low level outlet as viewed from the dam's southern section crest - right side of the outlet - before 2 feet of stop logs were removed.
07/28/2011 Page 9 of 31
Photo 16 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Vertical crack through the southern section as viewed from the crest of the section.
Photo 17 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Another vertical crack through the southern section and missing part of the section's crest as viewed from the crest of the section.
07/28/2011 Page 10 of 31
Photo 18 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Entrance to the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the southern section's crest - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
Photo 19 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Whirlpool observed on the upstream side of the southern section's low level outlet Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 11 of 31
Photo 20 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Outside of the left side training wall of the dam's southern section right sluiceway as viewed from the southern section's crest- note cracked concrete and voids in wall.
Photo 21 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge from the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the left downstream bank - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 12 of 31
Photo 22 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge channel from the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the southern section's crest - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Note old water wheel assembly in the channel.
Photo 23 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Upstream side of the southern section as viewed from atop the section's left side sluice - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Note deteriorated outside of the left side training wall of the dam's southern section right sluiceway
07/28/2011 Page 13 of 31
Photo 24 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting first stop log from the right side of the southern section left sluiceway as viewed from atop of the sluiceway.
Photo 25 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Cut stop log in the discharge channel of the southern section left sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 14 of 31
Photo 26 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel preparing to cut stop logs from the northern section's left sluiceway as viewed from the Bridge Street bridge
07/28/2011 Page 15 of 31
Photo 27 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side after first was removed .
07/28/2011 Page 16 of 31
Photo 28 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting second stop log from northern section's left sluiceway as viewed from the Bridge Street bridge
Photo 29 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the northern upstream section after 2 feet of stop logs had been removed from the northern section's left sluiceway.
07/28/2011 Page 17 of 31
Photo 30 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting the first of three stop slogs from the right side of the northern section's right sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 18 of 31
Photo 31 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the right side of the northern section's right side sluiceway as viewed from atop the sluiceway.
Photo 32 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 19 of 31
Photo 33 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Stop log breaking away from the left side of the northern section's right sluiceway after being cut.
Photo 34 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Section of a cut stop log in the northern section discharge as viewed from atop the sections right side sluiceway.
07/28/2011 Page 20 of 31
Photo 35 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 ISS's fire system's intake pipe located behind the trash screen - adjacent to the northern section's upstream training wall.
Photo 36 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Beaver River upstream of Bridge Street bridge after all stop logs had been removed.
07/28/2011 Page 21 of 31
Photo 37 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side after all stop logs were removed .
07/28/2011 Page 22 of 31
Photo 38 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge flow in the northern section left sluiceway after all stop logs had been removed. One of the stop logs appears to be caught on the sluiceway's metal support.
Photo 39 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 23 of 31
Photo 40 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 24 of 31
Photo 41 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream wing wall to the northern section after all stop logs had been removed as viewed from the Bridge Street bridge.
Photo 42 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's log sluice after all stop logs had been removed as viewed from the Bridge Street bridge.
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Photo 43 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's left side sluiceway after all stop logs had been removed as viewed from the Bridge Street bridge.
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Photo 44 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's right side sluiceway after all stop logs had been removed as viewed from the Bridge Street bridge.
Photo 45 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the dam's southern section left side sluiceway after all stop logs had been removed as viewed from the bridge to the island.
07/28/2011 Page 27 of 31
Photo 46 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Staff gauge at the entrance to the dam's southern section right side sluiceway after all stop logs had been removed as viewed from the bridge to the island.
Photo 47 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Upstream bank of the impoundment behind the dam's southern section after all the stops logs had been removed as viewed from the bridge to the island.
07/28/2011 Page 28 of 31
Photo 48 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Right upstream bank of the Beaver River on the downstream side of State Route 812 after all stop logs had been removed.
Photo 49 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream bank of the Beaver River on the downstream side of State Route 812 after all stop logs had been removed.
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Photo 50 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream bank of the Beaver River on the upstream side of State Route 812 after all stop logs had been removed.
Photo 51 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Right upstream bank of the Beaver River on the upstream side of State Route 812 after all stop logs had been removed.
07/28/2011 Page 30 of 31
Photo 52 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Beaver River upstream of State Route 812 after all stop logs had been removed.
07/28/2011 Page 31 of 31
Visual Observations DAM NAME
Croghan Island Dam
STATE ID
112‐0340
COUNTY
Lewis
SECTION
A
HAZARD CODE INSPECTION DATE
DOWNSTREAM HAZARD
Croghan INSPECTOR(S) BEAVERITE CORPORATION VAUGHN ZEHR CROGHAN ISLAND MILL LUMBER CORPORATION High TOWNSHIP
WATER LEVEL BEHIND DAM
1.2 feet over log sluice opening
DRAIN OPERATION
Unknown
NEAREST DS CITY/TOWN OWNER'S NAME
C 7/28/2011 PJC/AXD
Town of Croghan
DEFICIENCIES
X
1)Seepage 2)Slope Stability 3)U d i bl Growth 3)Undesirable G th
X X
4)Maintenance 5)Surficial Deterioration 6)Voids 6)V id
X X
7)Cracking 8)Movement/Misalignment 9)D t 9)Data
General: –Site visit was conducted to meet with village, town, county, and state officials and DEC officials (Judy Drabicki - Region 6 Director) to determine how many stop logs could be removed. Decision made, approved by DEC Commissioner, to remove 2 feet of stop logs. 2 feet of stop logs were removed by DEC Operations staff.
07/28/2011 Page 1 of 31
Photo 1 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section as observed from the bridge over Bridge Street before 2 feet of stop logs were removed- Total flow at dam is approximately 650 cfs per USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 2 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section's left sluiceway as viewed from the Bridge Street bridge before the stop logs were removed - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 2 of 31
Photo 3 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the log sluice and entrance of the left sluice in the northern section as viewed from the right upstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 4 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the right sluice in the northern section as viewed from the right upstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 3 of 31
Photo 5 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the discharge of the right sluice in the northern section as viewed from the right downstream training wall - Total flow is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
Photo 6 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the discharge of the northern section as viewed from the right downstream training wall - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage. Before additional 2 feet of stop logs were removed.
07/28/2011 Page 4 of 31
Photo 7 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the cracked northern section's left sluiceway's cracked training wall as viewed from the Bridge Street bridge before 2 feet of stop logs were removed - .
Photo 8 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Staff gauge located at the entrance to the southern section's right sluiceway (powers Croghan Lumber Mill) as viewed from the bridge to the island wall - before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage.
07/28/2011 Page 5 of 31
Photo 9 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Dam's southern upstream face as observed from the bridge to the island wall before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs flow per the USGS Croghan gage.
Photo 10 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Measurement of the opening in the northern section's left sluiceway's cracked training wall as viewed from the downstream side (on the island).
07/28/2011 Page 6 of 31
Photo 11 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side before 2 feet of stop logs were removed - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 7 of 31
Photo 12 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Northern section as observed from the left side of the dam (on the island). Before additional 2 feet of stop logs were removed.
Photo 13 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left side training wall of the southern section right sluiceway as viewed from the right side training wall - note cracked concrete and voids in wall.
07/28/2011 Page 8 of 31
Photo 14 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Cracks in the southern section right sluiceway's right training wall as viewed from the sluiceway's left training wall.
Photo 15 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the southern section's low level outlet as viewed from the dam's southern section crest - right side of the outlet - before 2 feet of stop logs were removed.
07/28/2011 Page 9 of 31
Photo 16 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Vertical crack through the southern section as viewed from the crest of the section.
Photo 17 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Another vertical crack through the southern section and missing part of the section's crest as viewed from the crest of the section.
07/28/2011 Page 10 of 31
Photo 18 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Entrance to the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the southern section's crest - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
Photo 19 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Whirlpool observed on the upstream side of the southern section's low level outlet Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 11 of 31
Photo 20 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Outside of the left side training wall of the dam's southern section right sluiceway as viewed from the southern section's crest- note cracked concrete and voids in wall.
Photo 21 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge from the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the left downstream bank - Total flow at dam is approximately 650 cfs per USGS Croghan gage.
07/28/2011 Page 12 of 31
Photo 22 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge channel from the southern section left sluiceway before 2 feet of stop logs were removed as viewed from the southern section's crest - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Note old water wheel assembly in the channel.
Photo 23 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Upstream side of the southern section as viewed from atop the section's left side sluice - Total flow at dam is approximately 650 cfs per USGS Croghan gage. Note deteriorated outside of the left side training wall of the dam's southern section right sluiceway
07/28/2011 Page 13 of 31
Photo 24 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting first stop log from the right side of the southern section left sluiceway as viewed from atop of the sluiceway.
Photo 25 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Cut stop log in the discharge channel of the southern section left sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 14 of 31
Photo 26 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel preparing to cut stop logs from the northern section's left sluiceway as viewed from the Bridge Street bridge
07/28/2011 Page 15 of 31
Photo 27 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side after first was removed .
07/28/2011 Page 16 of 31
Photo 28 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting second stop log from northern section's left sluiceway as viewed from the Bridge Street bridge
Photo 29 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 View of the northern upstream section after 2 feet of stop logs had been removed from the northern section's left sluiceway.
07/28/2011 Page 17 of 31
Photo 30 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations personnel cutting the first of three stop slogs from the right side of the northern section's right sluiceway as viewed from atop the sluiceway.
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Photo 31 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the right side of the northern section's right side sluiceway as viewed from atop the sluiceway.
Photo 32 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 19 of 31
Photo 33 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Stop log breaking away from the left side of the northern section's right sluiceway after being cut.
Photo 34 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Section of a cut stop log in the northern section discharge as viewed from atop the sections right side sluiceway.
07/28/2011 Page 20 of 31
Photo 35 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 ISS's fire system's intake pipe located behind the trash screen - adjacent to the northern section's upstream training wall.
Photo 36 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Beaver River upstream of Bridge Street bridge after all stop logs had been removed.
07/28/2011 Page 21 of 31
Photo 37 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Flow through the northern section's left sluiceway as viewed from sluice's left side after all stop logs were removed .
07/28/2011 Page 22 of 31
Photo 38 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Discharge flow in the northern section left sluiceway after all stop logs had been removed. One of the stop logs appears to be caught on the sluiceway's metal support.
Photo 39 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 23 of 31
Photo 40 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Operations staff cutting a stop log from the left side of the northern section's right side sluiceway as viewed from atop the sluiceway.
07/28/2011 Page 24 of 31
Photo 41 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream wing wall to the northern section after all stop logs had been removed as viewed from the Bridge Street bridge.
Photo 42 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's log sluice after all stop logs had been removed as viewed from the Bridge Street bridge.
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Photo 43 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's left side sluiceway after all stop logs had been removed as viewed from the Bridge Street bridge.
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Photo 44 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the northern section's right side sluiceway after all stop logs had been removed as viewed from the Bridge Street bridge.
Photo 45 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Inlet to the dam's southern section left side sluiceway after all stop logs had been removed as viewed from the bridge to the island.
07/28/2011 Page 27 of 31
Photo 46 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Staff gauge at the entrance to the dam's southern section right side sluiceway after all stop logs had been removed as viewed from the bridge to the island.
Photo 47 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Upstream bank of the impoundment behind the dam's southern section after all the stops logs had been removed as viewed from the bridge to the island.
07/28/2011 Page 28 of 31
Photo 48 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Right upstream bank of the Beaver River on the downstream side of State Route 812 after all stop logs had been removed.
Photo 49 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream bank of the Beaver River on the downstream side of State Route 812 after all stop logs had been removed.
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Photo 50 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Left upstream bank of the Beaver River on the upstream side of State Route 812 after all stop logs had been removed.
Photo 51 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Right upstream bank of the Beaver River on the upstream side of State Route 812 after all stop logs had been removed.
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Photo 52 Dam ID# 112-0340 Croghan Island Dam 07/28/2011 Beaver River upstream of State Route 812 after all stop logs had been removed.
07/28/2011 Page 31 of 31
