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

Morainal topography

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

Morainal topography near Olyphant

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

Moraine along Loyalsock

Subject	Glacial Geology
Creator	Moyer, Forrest Theodore, 1906-

Moraine along Loyalsock

Subject	Glacial Geology
Creator	Moyer, Forrest Theodore, 1906-

Moraine at Russell, north of Warren

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

Moraine west of Tioga

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

Morainic deposit just west of New Milford

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

Morainic hills

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

More distant view than negative no. 1255 of Medina and minor anticline in Martinsburg shale

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

Morgantown red beds and top of Birmingham shale

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date

Morgantown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-05-16

Morgantown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921-09-01

Morgantown sandstone and sub-jacent strata

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

Morgantown sandstone and sub-jacent strata

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

Morgantown Sandstone at the top of the slope

Subject	Stratigraphy
Creator	Craft, Jesse L.

Morgantown sandstone quarry

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-05-16

Morrison's Cove

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

Moshannon Creek

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Motive power for mine

Subject	Miscellaneous
Creator	Moseley, John Reed

Mottled, brecciated limestone quarry of Belmar Lime Company

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date

Mountain Creek

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

Mountain Creek

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

Mountain wash gravel in railroad cut

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

Mount Dallas cut

Subject	Stratigraphy
Creator	Foose, Richard Martin, 1915-
Date	1941-10

Mount Davis, elevation 3,213 feet

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

Mount Davis, elevation 3,213 feet

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

Mount Davis, Pennsylvania's highest point

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

Mount Gretna Lake

Subject	Surface Water
Creator	Geyer, Alan R.
Date	1961-04-04

Mouth of Four Mile Creek

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

Mouth of Lehigh River

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-04-28

Mouth of West Fork of Susquehanna River bluff

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

Mouth of West Fork of Susquehanna River bluff

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

Mud cracks

Subject	Weathering
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-07-01

Mud cracks

Subject	Sedimentation
Creator	Willard, Bradford, 1894-
Date	1934-04-17

Muddy Creek

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-14

Mud flow and soils slide on west side of I-279

Subject	Landslides
Creator	Craft, Jesse L.

Mud pond, head of Kitchen Creek

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

"Mud Rollers?" in Martinsburg limestone

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

Muscovite "Book" from pegmatite

Subject	Mineral Specimens
Creator	Bolles, William H.

Myerstown Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Nanticoke from terrace at West Nanticoke

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Narrows of Conewago Creek

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-21

Narrows of Sugar Creek

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

National Natural Landmark, Susquehanna Gaps

Subject	Environmental Geology
Creator	Bolles, William H.
Date

National Natural Landmark, Susquehanna Gaps

Subject	Environmental Geology
Creator	Bolles, William H.
Date

National Natural Landmark, Susquehanna Gaps

Subject	Environmental Geology
Creator	Bolles, William H.
Date

National Natural Landmark, Susquehanna Gaps

Subject	Environmental Geology
Creator	Bolles, William H.
Date

National Pike

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

National Pike

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

National Tube Company's plant

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date