Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Subject = Engineering Geology
  • Date = 1939-08-01

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Clarks Creek dam
Clarks Creek dam
Engineering Geology
Clarks Creek dam, weep wall at lower toe, rolled fill on left
Clarks Creek dam
Clarks Creek dam
Engineering Geology
Clarks Creek dam, upper toe of Pottsville float. Trench for core wall below cranes
Clarks Creek dam
Clarks Creek dam
Engineering Geology
Clarks Creek dam. Sandstone in shale at concrete bypass, north side of creek
Clarks Creek dam
Clarks Creek dam
Engineering Geology
Clarks Creek dam. Trench for core wall north slope, in Mauch Chunk beds, dipping 60 degrees toward camera
Clarks Creek dam
Clarks Creek dam
Engineering Geology
Clarks Creek dam, center line, core wall with grouting pipes in foreground