Author
Pecora, W. T. (William Thomas), 1913-1972
Geological Survey (U.S.)
4 results
Bryant, Bruce, 1930-
2 results
Hearn, B. C., Jr
2 results
Schmidt, Robert George
2 results
Ernst, W. G. (Wallace Gary), 1931-
1 results
Kerr, J. H. (Joe H.), 1921-1953
1 results
Schmidt, Robert G. (Robert Georges), 1923-
1 results
Stewart, D. B.
1 results
Stewart, David B. (David Benjamin), 1928-
1 results
Swadley, W. C.
1 results
Witkind, Irving J. (Irving Jerome), 1917-2008
1 results