תוצאות חיפוש

1

Oil and gas developments in Pennsylvania in 1956 /

מאת Lytle, William S.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1957

ספר

2

Oil and gas developments in Pennsylvania in 1960 /

מאת Lytle, William S.
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1961

Government Document ספר

3

Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson counties, Pennsylvania /

Harrisburg : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1976

ספר

4

Oil and gas developments in Pennsylvania in 1971 /

מאת Lytle, William S., Heyman, Louis
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1972

Government Document ספר

5

Oil and gas developments in Pennsylvania in 1953 /

מאת Fettke, Charles R. (Charles Reinhard), 1888-1959
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1954

Government Document ספר

6

Oil and gas developments in Pennsylvania in 1955 /

מאת Fettke, Charles R. (Charles Reinhard), 1888-1959
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1956

ספר

7

Oil and gas developments in Pennsylvania in 1959 /

מאת Lytle, William S.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1960

Government Document ספר

8

Oil and gas developments in Pennsylvania in 1965 /

מאת Lytle, William S.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966

Government Document ספר

9

Oil and gas developments in Pennsylvania in 1966 /

מאת Lytle, William S.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1967

Government Document ספר

10

Oil and gas developments in Pennsylvania in 1975 /

מאת Lytle, William S., Piotrowski, Robert G., Heyman, Louis
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1976

Government Document ספר

11

Preliminary report : geologic structure of parts of the Chestnut Ridge and Driftwood anticlines in Clearfield and Elk Counties, Pennsylvania /

מאת Bolger, Robert C. (Robert Courtney)
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1953

Government Document ספר

12

Oil and gas developments in Pennsylvania in 1968 /

מאת Kelley, Dana R.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1969

Government Document ספר

13

A method for determining post-depositional alteration in underclays and associated lithologies /

מאת Jaron, Michael G.
Harrisburg, Pa. : Pennsylvania. Bureau of Topographic and Geologic Survey, 1967

Government Document ספר

14

Geology and mineral resources of the Philipsburg 7 1/2-minute quadrangle, Pennsylvania /

מאת Glass, Gary B.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1972

Government Document ספר

15

Geology and mineral resources of the Ramey and Houtzdale quadrangles, Clearfield and Centre counties, Pennsylvania /

מאת Glass, Gary B.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1977

Government Document ספר

16

Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania /

מאת Glover, Albert D.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1978

Government Document ספר

17

Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania /

מאת Berg, Thomas M.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1976

Government Document ספר

18

Geology and mineral resources of the Blandburg, Tipton, Altoona, and Bellwood quadrangles, Blair, Cambria, Clearfield, and Centre Counties, Pennsylvania /

מאת Faill, Rodger T.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989

Government Document ספר

19

Sediment loads, discharges, and yields in the East Branch Mahoning Creek Basin, Clearfield and Jefferson counties, Pennsylvania, June 1979 through September 1981 /

מאת Loper, Connie A.
Harrisburg, Pa. : Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Books and Open-File Reports Section [distributor], 1988

Government Document ספר

20

Oil and gas developments in Pennsylvania in 1958 /

מאת Lytle, William S.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1959

ספר

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