Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

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Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

Shikellamy Rock

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-08

Site of Ole Bull's Castle

Subject	Geomorphology
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1931-08-01

Slippery Rock Creek Gorge

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1932-07-23

Soil creep on W. T. Grove farm

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-11-11

South flank of Godfrey's Ridge

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

South flank of Juniata Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-09

South from 1,820 foot hill

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-10-24

South from Peters Mountain

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1935-05-31

South Knob of Elk Hills from North Knob

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1931-08-01

South side of Big Lick Mountain

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-07-01

Spitzenberg

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1932-08-19

Spitzenberg Hill, near Lenhartsville

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-07

Sugar Loaf Fire Tower

Subject	Geomorphology
Creator	Hickok, W. O. (William Orville), 1905-
Date	1934-07-01

Sugar Loaf Mountain, north of Hazleton

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-13

Summerville viewed from east

Subject	Geomorphology
Creator	Graeber, Charles Karsner, 1896-
Date	1933-06-23

Susquehanna Gap

Subject	Geomorphology
Creator	Geyer, Alan R.
Date	1960

Susquehanna Gap from Reservoir Hill

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1932-04-01

Susquehanna Valley

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1935-05-31

Susquehanna Valley from hill east of Susquehanna

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1931-08-01

Susquehanna Valley from west of Duncannon looking south

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-09

Swamp on Interstate 80

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970-07

Swamp on Interstate 80

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970-07

Taken to show root of old upper twin island

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-09-10

Taken to show small islands near West Shore

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-09-10

Terrace between Aspinwall and Squaw Run

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Terrace between Aspinwall and Squaw Run

Subject	Geomorphology
Creator	Johnson, Meredith E., 1897-
Date	1926-05-20

Terrace hill

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-10-31

Terrace on Monongahela River

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-10-31

Topography of Permian beds

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-17

Towanda Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-06-14

Upland (Harrisburg peneplain?) and mountain peneplain

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-05-23

Upland (Harrisburg peneplain?) and mountain peneplains

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-05-23

Upland (Harrisburg peneplain?) looking south from hilltop

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-05-23

Upland hilltops

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-09

Valley and plateau, looking east

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-28

Valley and Ridge Physiographic Province

Subject	Geomorphology
Creator	Geyer, Alan R.
Date	1971-08-12

Valley of Chest Creek

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Valley of Little Pine Creek

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-09-23

Valley of Lockhouse at Buttonwood

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-15

Valley of Red Bank Creek

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-06

Vanscoyoc valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-05-10

View across Conneaut Marsh and Route 19

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-10-02

View across limestone valley toward South Mountain

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-08

View down Susquehanna from Cemetery Hill at Lock Haven

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-04-05

View from benchmark 1800, looking northeast down valley of Camp Run

Subject	Geomorphology
Creator	Graeber, Charles Karsner, 1896-
Date	1933-06-30

View from Cemetery Hill, Lock Haven

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-04-05

View from hill along Corsica - Sigel Road

Subject	Geomorphology
Creator	Graeber, Charles Karsner, 1896-
Date	1934-07-29

View from hill at Shaffer's Lime Pit

Subject	Geomorphology
Creator	Graeber, Charles Karsner, 1896-
Date	1933-07-10

View from Observatory, Valley Forge Park

Subject	Geomorphology
Creator	Graeber, Charles Karsner, 1896-
Date	1935-06-02

View from Peters Mountain toward Second Mountain Water Gap

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-08