Harvey Bassler's Peruvian Anecdotes A Geologist's largely non geological observances in Northeastern Peru" compiled by Bradford Willard, reproduced by Lehigh University in 1968. (Digital)

Harvey Bassler's Peruvian Anecdotes A Geologist's largely non geological observances in Northeastern Peru" compiled by Bradford Willard, reproduced by Lehigh University in 1968. (Digital), SC MS 0019.06.08 (Digital). Lehigh University Special Collections. https://archivesspace.lib.lehigh.edu//repositories/3/digital_objects/1243 Accessed May 19, 2026.