Cathcart, S.H
[Other];
Collier, Arthur J.
[Other];
Dobbin, C.E
[Other];
Gilluly, James
[Other];
Heald, Kenneth Conrad
[Other];
Hopkins, Oliver B.
[Other];
Powers, Sidney
[Other];
Reeves, Frank
[Other];
Robinson, H.M
[Other];
Thom, William Taylor
[Other]
;
United States Congress House,
United States Geological Survey