1) Reports and maps of the Geological Survey released only in the open files, 1961

Author
Weld, Betsy A
Series
Geological Survey circular volume 463
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
[1962?]
Language
English

2) Reports and maps of the Geological Survey released only in the open files, 1970

Author
Weld, Betsy A
Series
Geological Survey circular volume 638
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1971
Language
English

3) Reports and maps of the Geological Survey released only in the open files, 1964

Author
Weld, Betsy A
Series
Geological Survey circular volume 498
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
[1965?]
Language
English

4) Reports and maps of the Geological Survey released only in the open files, 1956

Author
Weld, Betsy A
Series
Geological Survey circular volume 401
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1957
Language
English

5) Reports and maps of the Geological Survey released only in the open files, 1972

Author
Weld, Betsy A
Series
Geological Survey circular volume 668
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1973
Language
English

6) Reports and maps of the Geological Survey released only in the open files, 1966

Author
Weld, Betsy A
Series
Geological Survey circular volume 528
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1967
Language
English

7) Reports and maps of the Geological Survey released only in the open files, 1958

Author
Weld, Betsy A
Series
Geological Survey circular volume 412
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1959
Language
English

8) Reports and maps of the Geological Survey released only in the open files, 1960

Author
Weld, Betsy A
Series
Geological Survey circular volume 448
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1961
Language
English

9) Reports and maps of the Geological Survey released only in the open files, 1963

Author
Weld, Betsy A
Series
Geological Survey circular volume 488
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
[1964?]
Language
English

10) Reports and maps of the Geological Survey released only in the open files, 1967

Author
Weld, Betsy A
Series
Geological Survey circular volume 548
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1968
Language
English

11) Reports and maps of the Geological Survey released only in the open files, 1957

Author
Weld, Betsy A
Series
Geological Survey circular volume 403
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1958
Language
English

12) Reports and maps of the Geological Survey released only in the open files, 1971

Author
Weld, Betsy A
Series
Geological Survey circular volume 648
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1972
Language
English

13) Reports and maps of the Geological Survey released only in the open files, 1969

Author
Weld, Betsy A
Series
Geological Survey circular volume 618
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1970
Language
English

14) Reports and maps of the Geological Survey released only in the open files, 1962

Author
Weld, Betsy A
Series
Geological Survey circular volume 473
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
[1963?]
Language
English

15) Reports and maps of the Geological Survey released only in the open files, 1973

Author
Weld, Betsy A
Series
Geological Survey circular volume 696
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1974
Language
English

16) Reports and maps of the Geological Survey released only in the open files, 1965

Author
Weld, Betsy A
Series
Geological Survey circular volume 518
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
[1966?]
Language
English

17) Reports and maps of the Geological Survey released only in the open files, 1959

Author
Weld, Betsy A
Series
Geological Survey circular volume 428
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1960
Language
English

18) Reports and maps of the Geological Survey released only in the open files, January through April, 1974

Author
Weld, Betsy A
Series
Geological Survey circular volume 706
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1975
Language
English