SUPERIOR LAKE and DAM
Stabilization and HAER Photos

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01-Superior Lake Stabilization, hand crew removes gabions from old spillway 02-Superior Lake outlet channel prior to stabilization 03-Superior Lake Stabilization, cutting through Dam 04-Superior Lake Stabilization, completed breach prior to placing gabion cutoff walls and riprap 05-Superior Lake Stabilization, placing cutoff wall at top of breach
01-Superior Lake Stabilization, hand crew removes gabions from old spillway.jpg 02-Superior Lake outlet channel prior to stabilization.jpg 03-Superior Lake Stabilization, cutting through Dam.jpg 04-Superior Lake Stabilization, completed breach prior to placing gabion cutoff walls and riprap.jpg 05-Superior Lake Stabilization, placing cutoff wall at top of breach.jpg
06-Superior Lake Stabilization, grouting operation for gabion cutoff walls 07-Superior Lake Stabilization, grouted middle cutoff wall in place with forms removed 08-Superior Lake Stabilization, placing riprap after cutoff walls are in place 09-Superior Lake Stabilization, hand crew cutting off portion of outlet pipe prior to grouting 10-Superior Lake Stabilization, removing upstream portion of outlet pipe
06-Superior Lake Stabilization, grouting operation for gabion cutoff walls.jpg 07-Superior Lake Stabilization, grouted middle cutoff wall in place with forms removed.jpg 08-Superior Lake Stabilization, placing riprap after cutoff walls are in place.jpg 09-Superior Lake Stabilization, hand crew cutting off portion of outlet pipe prior to grouting.jpg 10-Superior Lake Stabilization, removing upstream portion of outlet pipe.jpg
11-Superior Lake Stabilization, grouting operation underway for plugging outlet pipe 12-Superior Lake Stabilization, outlet pipe sealed by placing 3x3x3 gabion basket filled with rock and grout on upstream side of pipe 13-Superior Lake Stabilization, sand filter in place at plugged outlet 14-Superior Lake Stabilization, new dam breach after work completed HAER photo of Superior Lake with dam spillway in foreground, looking northwest, July 1985
11-Superior Lake Stabilization, grouting operation underway for plugging outlet pipe.jpg 12-Superior Lake Stabilization, outlet pipe sealed by placing 3x3x3 gabion basket filled with rock and grout on upstream side of pipe.jpg 13-Superior Lake Stabilization, sand filter in place at plugged outlet.jpg 14-Superior Lake Stabilization, new dam breach after work completed.jpg HAER photo of Superior Lake with dam spillway in foreground, looking northwest, July 1985.jpg
HAER photo of cribbed log housing for outlet gate wheel at Superior Lake Dam, July 1985 HAER photo of rock-lined spillway at Superior Lake Dam, looking northwest, July 1985 HAER photo of upstream face of Superior Lake Dam with outlet gate in background, July 1985 Superior Lake July 2006 001 Superior Lake July 2006 002
HAER photo of cribbed log housing for outlet gate wheel at Superior Lake Dam, July 1985.jpg HAER photo of rock-lined spillway at Superior Lake Dam, looking northwest, July 1985.jpg HAER photo of upstream face of Superior Lake Dam with outlet gate in background, July 1985.jpg Superior Lake July 2006 001.jpg Superior Lake July 2006 002.jpg
Superior Lake July 2006 003 Superior Lake July 2006 004 Superior Lake July 2006 005 Superior Lake July 2006 006 Superior Lake July 2006 007
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Superior Lake July 2006 008 Superior Lake July 2006 009 Superior Lake July 2006 010 Superior Lake July 2006 011 Superior Lake July 2006 013
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Superior Lake July 2006 014 Superior Lake July 2006 015 Superior Lake July 2006 016 Superior Lake July 2006 017 Superior Lake July 2006 018
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Superior Lake July 2006 019 Superior Lake July 2006 020 Superior Lake July 2006 021 Superior Lake July 2006 022 Superior Lake July 2006 023
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