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

Mapleton-Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Mapleton-Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Mapleton-Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Mapleton-Ridgeley sandstone-Shriver

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Mapleton-Ridgeley sandstone-Shriver

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Marcellus Quarry

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-07-01

Marl deposit on Daniel Witmer farm

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-05-28

Marl forming ledge

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-05-28

Marl on Daniel Witmer farm

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-05-28

Marl on W. R. Simons farm

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1923-05-28

Marl pit, Job Hess farm

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-10-03

Martinsburg

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg and Tuscarora Formations

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Martinsburg and Tuscarora Formations

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Martinsburg at Swatara Gap

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1952

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1972-11

Martinsburg Formation

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

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970-04-08

Martinsburg Formation

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation allochthonous red beds

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

Martinsburg Formation limestone conglomerate, allochthonous

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

Martinsburg Formation, limestone member

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation, limestone member

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Formation, platy argillaceous limestones, allochthonous

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

Martinsburg Formation, platy limestone

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

Martinsburg Formation, platy limestone

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

Martinsburg Formation, platy limestone, allochthonous

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

Martinsburg Formation red beds

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

Martinsburg Formation, red shale

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1951-1957

Martinsburg Group

Subject	Stratigraphy

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

Subject	Stratigraphy
Creator	Moseley, John Reed

Martinsburg limestone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Martinsburg limestone

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

Martinsburg limestone and shale

Subject	Stratigraphy
Creator	Moseley, John Reed