Maps, Guatemala: Petén, Departamento de Caligrafía, surface geology and soils; other Central America

Maps, Guatemala: Petén, Departamento de Caligrafía, surface geology and soils; other Central America, Box: 30. Richard N. Adams Papers, 1989-39. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/491020 Accessed September 26, 2026.