This photo from our second cross section is an example of significant changes to the river. Data was collected from this location in 2009 from a manned boat, with no issue. Upon return to the same cross section in 2013 we found a 2-4 ft hydraulic feature exposed. Backwater from the Great Works Dam hid this feature previously.
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Penobscot River Work - Station 2
This photo from our second cross section is an example of significant changes to the river. Data was collected from this location in 2009 from a manned boat, with no issue. Upon return to the same cross section in 2013 we found a 2-4 ft hydraulic feature exposed. Backwater from the Great Works Dam hid this feature previously.
Penobscot River Work - Station 4
A photo from August 2013 after removal of the Great Works Dam, showing the old concrete, wood and stone cribbing upstream of where the dam used to be.
A photo from August 2013 after removal of the Great Works Dam, showing the old concrete, wood and stone cribbing upstream of where the dam used to be.
Penobscot River Work - Station 4
A photo from August 2013 showing the cribbing upstream of where the dam used to be. See the photo titled 'Station 4 2009' for a picture from before the dam was removed from the same general perspective.
A photo from August 2013 showing the cribbing upstream of where the dam used to be. See the photo titled 'Station 4 2009' for a picture from before the dam was removed from the same general perspective.
Hell Creek
The Hell Creek and underlying Fox Hills Formations are present at the land surface along the margins of the Williston Basin, but otherwise are the deepest bedrock aquifers that are commonly used in the basin.
The Hell Creek and underlying Fox Hills Formations are present at the land surface along the margins of the Williston Basin, but otherwise are the deepest bedrock aquifers that are commonly used in the basin.