Filters: Tags: Pennsylvania (X) > Date Range: {"choice":"day"} (X)
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Slickened vertical joints crossing bedding of crushed Chambersburg limestone. Pennsylvania. No Date.
Slickened vertical joints crossing bedding of crushed Chambersburg limestone. Road cut at Riverton, opposite Harrisburg (A 1). New Cumberland quadrangle. Pennsylvania. No date.
Large pond in old iron pit. Pine Grove. Newville quadrangle. Pennsylvania. No date.
Slag dump of steel plant southeast of Steelton (B 8). New Cumberland quadrangle. Pennsylvania. No date.
Magnesite deposit in Pennsylvania about two miles north-northwest of Rising Sun. Old working reopened by Max Junghandel (at cobbing table). Shows old trench on left and in right center on veins crossing at right angles. Pennsylvania. September 19, 1921.
Panorama with image 854. Gap of Susquehanna River in North Mountains, north of Harrisburg. Blue Mountain in foreground, Second Mountain in middle ground, Peters Mountain in distance. Harrisburg quadrangle. Pennsylvania. No date.
Siliceous network residual of siliceous banded limestone of Stonehenge member of Beekmantown limestone, two miles southeast of Mechanicsburg (A 12). New Cumberland quadrangle. Pennsylvania. No date.
Pine Groove Furnace. Newville quadrangle. Pennsylvania. No date.
Massive Weverton sandstone. The Cascade. Emmitsburg quadrangle. Pennsylvania. No date.
Massive Weverton sandstone. The Cascade. Emmitsburg quadrangle. Pennsylvania. No date.
Panorama with image 756. The Narrows, gap of Conewago Creek in Big Hill-Bear Mountain ridge, from the west. Fairfield quadrangle. Pennsylvania. No date.
Slag dump of steel plant southeast of Steelton (B 8). New Cumberland quadrangle. Pennsylvania. No date.
Panorama with image 853. Gap of Susquehanna River in North Mountains, north of Harrisburg. Blue Mountain in foreground, Second Mountain in middle ground, Peters Mountain in distance. Harrisburg quadrangle. Pennsylvania. No date.
North end of Twotop Mountain from Kasies Knob. Williamsport quadrangle. Pennsylvania. No date.
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