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

Breaker water discharge at Forest City No. 2 Colliery

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date	Summer 1926

Breccia, limestone and quartz -Triassic

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-10-03

Brick grist mill on Conewago Creek

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-04-20

Brick kilns, Standard Refractories Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-10-13

Brick plant of Beaver Clay Manufacturing Company

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-10-04

Brick plant of the Brick and Stone Company, Inc.

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Brick plant of the Brick and Stone Company, Inc.

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Brick plant using Portage shale

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-21

Brick road

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

Brick road near crossing of Clearfield Creek

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

Brick yard and ganister quarries

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-29

Brick-yard, Harbison-Walker Refractories Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Bridge across Youghiogheny River at Layton

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

Bridge, concrete, D. L. & W. Railway

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-13

Bridge in Clearfield Creek Valley

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

Bridge (limestone) over Maiden Creek

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-09-22

Bridge (L.R. 1010, Sec. D1) across Schuylkill River

Subject	Engineering Geology
Creator	Inners, Jon D.
Date	1972-12-01

Bridge of granite and porphyry

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

Bridge on Lake to Sea Highway over Little Juniata River at Ironville

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

Bridge over Allegheny River

Subject	Interstate Highways and Other Roads
Creator	Bolles, William H.
Date	1970-07

Bridge over Bonnet Run

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-10-03

Bridge over Conewago Creek

Subject	Engineering Geology
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-04-28

Bridge over Conewago Creek near Mount Royal

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1931-06-30

Bridge over failure due to collapse of leached limestone zone along fault

Subject	Engineering Geology
Creator	Geyer, Alan R.
Date	1968

Bridge over Perkiomen Creek

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

Bridge over Swatara Creek

Subject	Interstate Highways and Other Roads
Creator	Bolles, William H.
Date	1970-08

Bridge, red and green Triassic sandstones over Marsh Run

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-20

Bringing up truck of raw brick ready to push into oven

Subject	Economic Uses
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-12

Broad anticline

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921

Broad flat at head of branch of Huntington Creek

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-07-18

Broad syncline in Salina rocks

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-16

Broad syncline in Salina rocks

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-16

Brodhead Creek Experiment Mills Section (Port Ewen lithology)

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

Broken column, Indian Echo Caverns

Subject	Caves
Creator	Bolles, William H.
Date	1970-11

Brook in Triassic shales

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

Brookville

Subject	Cities, Towns, and Buildings
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927

Brookville coal

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

Brookville coal at creek level

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Brookville coal at creek level

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Brookville or a coal bed near Bennington

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-05-01

Brownstone bridge over Perkiomen Creek

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

Brownstone bridge over Perkiomen Creek

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-10-02

Brownstone bridge over Perkiomen Creek

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-10-02

Brownstone church, built 1811

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-06-15

Brownstone (Hummelstown)

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-01

Brownstone quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Brownstone quarry at Waltonville

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Brownstone quarry showing steep dip

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-01

Brownstone tombstones

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-06-01

Brumbaugh's Siding Quarry

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