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  • Date = 1921-07-01
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Lewistown Narrows
Lewistown Narrows
Topography
Lewistown Narrows.
Lewistown Narrows
Lewistown Narrows
Topography
Lewistown Narrows.
Lewistown Narrows
Lewistown Narrows
Topography
Lewistown Narrows.
Lewistown Narrows looking down
Lewistown Narrows looking down
Topography
Lewistown Narrows looking down.
Limestone storage
Limestone storage
Nonmetallic Mineral Resources
Limestone storage, Billmeyer, Pa.
Mining limestone for lime and road metal
Mining limestone for lime and road metal
Nonmetallic Mineral Resources
Mining limestone for lime and road metal near New Holland, Pa.
Mud cracks
Mud cracks
Weathering
Mud cracks beside railroad, Lewistown Narrows., Sun cracks in mud beside railroad, Lewistown Narrows, July 1921.
No. 2 mill of Atlas Cement Company
No. 2 mill of Atlas Cement Company
Nonmetallic Mineral Resources
No. 2 mill of Atlas Cement Company, largest in world. Northampton, Northampton County.
Quarry of Atlas Cement Company
Quarry of Atlas Cement Company
Nonmetallic Mineral Resources
Quarry of Atlas Cement Company near Northampton, Northampton County.
Quarrying limestone for lime and lime kilns
Quarrying limestone for lime and lime kilns
Nonmetallic Mineral Resources
Quarrying limestone for lime and lime kilns, New Holland.
Quarrying limestone for lime and road metal
Quarrying limestone for lime and road metal
Nonmetallic Mineral Resources
Quarrying limestone for lime and road metal, new New Holland, Pa.
Quarrying limestone for lime and road metal
Quarrying limestone for lime and road metal
Nonmetallic Mineral Resources
Quarrying limestone for lime and road metal, near New Holland, Pa.
Road beside Lobb's Run
Road beside Lobb's Run
Topography
Road beside Lobb's Run, Allegheny-Washington County line.
Salina strata highly inclined and folded
Salina strata highly inclined and folded
Structure-Folds
Salina strata highly inclined and folded just east of Lewistown.
Sharp syncline
Sharp syncline
Structure-Folds
Sharp syncline, east of anticline, east of Lewistown.
Steeply folded strata
Steeply folded strata
Structure-Folds
Steeply folded strata, pole 152-8 below Mifflin, Pa.
Steeply folded strata
Steeply folded strata
Structure-Folds
Steeply folded strata south of Mifflin near pole 153-5., Differential weathering section south of Mifflin
Steeply inclined and folded rocks
Steeply inclined and folded rocks
Structure-Folds
Steeply inclined and folded rocks, Lewistown Narrows., Folded strata, Lewistown Narrows, July 1921
Syncline near pole 153-10
Syncline near pole 153-10
Structure-Folds
Syncline near pole 153-10 near Mifflin.
Talus Medina sandstone
Talus Medina sandstone
Stratigraphy
Talus Medina sandstone, Lewistown Narrows.