1
by Droullard, R. F. (Robert F.)
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
Government Document
Book
2
by Droullard, R. F. (Robert F.)
Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1985
Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1985
Government Document
Book
3
by Droullard, R. F. (Robert F.)
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
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Book
4
by Droullard, R. F. (Robert F.)
Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1985
Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1985
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
5
by Droullard, R. F. (Robert F.)
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
[Washington] : Dept. of the Interior, Bureau of Mines, 1977
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
6
by Austin, S. Ralph, Droullard, R. F. (Robert F.)
[Washington, D.C.], Department of Interior, Bureau of Mines, 1979
[Washington, D.C.], Department of Interior, Bureau of Mines, 1979
Government Document
Book
7
by Austin, S. Ralph
[Washington] : Dept. of Interior, Bureau of Mines, 1979
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : Dept. of Interior, Bureau of Mines, 1979
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
8
by Austin, S. Ralph
[Washington] : Dept. of the Interior, Bureau of Mines, 1978
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : Dept. of the Interior, Bureau of Mines, 1978
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
9
Pgh., [i.e. Pittsburgh], PA. : U.S. Dept. of the Interior, Bureau of Mines, 1984
Other Authors:
“...Droullard, R. F. (Robert F.)...”This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
10
11
by Stroud, W. P.
[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
Government Document
Book
12
by Stroud, W. P.
[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
Book
13
[Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1984
Other Authors:
“...Droullard, R. F. (Robert F.)...”This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
14
by Austin, S. Ralph
[Washington] : [publisher not identified], 1979
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : [publisher not identified], 1979
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
15
by Holub, Robert F.
[Washington] : Dept. of the Interior, Bureau of Mines, 1978
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : Dept. of the Interior, Bureau of Mines, 1978
Book
16
17
by Stroud, W. P.
[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1996
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
18
by Holub, Robert F.
[Washington] : Dept. of the Interior, Bureau of Mines, 1978
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : Dept. of the Interior, Bureau of Mines, 1978
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
19
by Austin, S. Ralph
[Washington] : 1979
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington] : 1979
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
20
by Holub, Robert F.
[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1995
Other Authors:
“...Droullard, R. F. (Robert F.)...”[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1995
Government Document
Book