Pennsylvania Geological Survey - Historical Photographs

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  • Location Covered = Dauphin

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Clark Creek Dam
Clark Creek Dam
Surface Water
Rocks at north end of Clark Creek Dam of Pennsylvania Railroad
Clark Creek Dam
Clark Creek Dam
Surface Water
Clark Creek Dam at Pennsylvania Railroad, looking south
Clark Creek Dam
Clark Creek Dam
Surface Water
Clark Creek Dam of Pennsylvania Railroad (north end)
Clarks Creek
Clarks Creek
Topography
Clarks Creek, Dauphin County. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Clarks Creek
Clarks Creek
Topography
Clarks Creek, Harrisburg quadrangle.
Clark's Creek
Clark's Creek
Rivers and Streams
Clark's Creek, three miles northeast of Dauphin.
Clark's Creek
Clark's Creek
Rivers and Streams
Clark's Creek, three miles northeast of Dauphin.
Clarks Creek
Clarks Creek
Topography
Clarks Creek, Dauphin County. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Clark's Creek
Clark's Creek
Rivers and Streams
Clark's Creek, two miles northeast of Dauphin.
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
Cliff below Dauphin
Cliff below Dauphin
Topography
Cliff below Dauphin. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Cliff of Pocono sandstone
Cliff of Pocono sandstone
Stratigraphy
Cliff of Pocono sandstone below Dauphin. Date of photograph not known. George Ashley's tenure with the Survey, 1919-1946.
Column of Pottsville sandstone
Column of Pottsville sandstone
Stratigraphy, Sedimentation
Column of Pottsville sandstone on top of Third Mountain lying between vertical joint plains near west end of mountain.
Column of Pottsville sandstone
Column of Pottsville sandstone
Stratigraphy, Sedimentation
Column of Pottsville sandstone on top of Third Mountain lying between vertical joint plains near west end of mountain.
Complete exposure of diabase in Route 11/15 cut through Berry Mountain.
Complete exposure of diabase in Route 11/15 cut through Berry Mountain.
Igneous and Metamorphic
Complete exposure of diabase in Route 11/15 cut through Berry Mountain. Millersburg quadrangle.
Conglomerate faulted against base of Tuscarora
Conglomerate faulted against base of Tuscarora
Stratigraphy, Sedimentation
Conglomerate faulted against base of Tuscarora in railroad cut at Rockville.