T.N.A. Geological Report No. 3 Report on A visit to Eastern Venezuela by K.W. Barr, March 1947

T.N.A. Geological Report No. 3 Report on A visit to Eastern Venezuela by K.W. Barr, March 1947, Box: 51, Folder: 26. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/150567 Accessed November 18, 2025.