Richard W Spengler
Author
Series
Open-file report) volume 79-1244
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1979
Author
Series
Open-file report) volume 81-1349
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1981
Series
U.S. Geological Survey open-file report volume 84-789
Publisher
U.S. Dept. of the Interior, Geological Survey
Pub. Date
1984
Author
Series
Open-file report) volume 83-856
Publisher
Open-File Services Section, Western Distribution Branch, U.S. Geological Survey
Pub. Date
1983
Author
Series
U.S. Geological Survey open-file report volume 83-853
Publisher
Open-File Services Section, Western Distribution Branch, U.S. Geological Survey
Pub. Date
1983 [i.e. 1984]