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

Leached limestone on north side of fault

Subject	Geomorphology
Creator	Geyer, Alan R.
Date	1968

Ligonier Valley looking east toward Laurel Hill

Subject	Geomorphology
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1952

Looking across White Deer Valley toward Muncy Mountain

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

Looking down West Branch of Susquehanna at Lock Haven

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

Looking east toward Tioga and lower end of Cowanesque Creek

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-24

Looking north across the west end of Heart Lake

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

Looking north from Sugar Loaf Fire Tower

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

Looking northwest

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

Looking northwest from Filling Station between Wyalusing and Towanda

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

Looking south from Berwick

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-05-21

Looking south from summit south of Bloomsburg

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

Looking toward Delaware Water Gap from Godfrey's Ridge

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-29

Looking toward Mildred and Bernice

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

Looking up Lycoming Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-01

Looking up valley of Sulphur Run toward Winburne

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1940-10-17

Lower end of Independence Island

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

Lower end of Sugar Creek

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

Marsh Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Marsh Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Meyersdale and Casselman River Valley

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-09-04

Morrison's Cove

Subject	Geomorphology
Creator	Foose, Richard Martin, 1915-
Date	1942

Mount Davis, elevation 3,213 feet

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-05-22

Mount Davis, elevation 3,213 feet

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-05-22

Mount Davis, Pennsylvania's highest point

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-05-22

New land, reserved as a tern and gull sanctuary

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-02

New York State

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1934-08-03

North Fork from Route 6 between Wyalusing and Towanda

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

North Fork from Route 6 east of Towanda

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

North Fork from Route 6 east of Towanda near Service Station

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

North Fork Redbank Creek

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

Open valley at divide between head of Lycoming Creek on right and Towanda Creek toward left

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

Panorama of cove

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

Panorama of cove

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

Panorama of Susquehanna River Valley

Subject	Geomorphology
Creator	Lohman, Stanley William, 1907-
Date	1934

Panorama of Susquehanna River Valley

Subject	Geomorphology
Creator	Lohman, Stanley William, 1907-
Date	1934

Panorama of Susquehanna River Valley

Subject	Geomorphology
Creator	Lohman, Stanley William, 1907-
Date	1934

Panorama of Susquehanna River Valley

Subject	Geomorphology
Creator	Lohman, Stanley William, 1907-
Date	1934

Peneplain

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

Peneplain valley

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

Peneplane at 420 foot level, Cumberland Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-21

Pine Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Valley

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Pine Creek Valley, looking west

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

Pinnacles developed on Rockdale Run Formation limestone

Subject	Geomorphology
Creator	Root, Samuel I.
Date	1972-09-21

Pinnacle weathering of limestone

Subject	Geomorphology
Creator	Bolles, William H.
Date	1970

Pocket in lake cliff

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-07-31

River bottom and glacial hill

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-24

Sandstone ravine above Elklick Falls

Subject	Geomorphology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-05-23

Schuylkill Gap

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1931-10-01

Schuylkill Gap from south

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1931-10-01