Topographic map. Portland, ME 15-min Quad, 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsUSA.
Topographic map. Port-Menier, Quebec, 22H (1 : 250000). Dept. Mines & Technical Survey [Quebec]: Topographic., 1959 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsCanada.
Topographic map. Portneuf, 21 L\12 W (1 : 50000). Dept. Mines & Technical Survey [Quebec]: Topographic., 1971 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsCanada.
Topographic map. Pottsville, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1891 (1924), 1891 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsUSA.
Topographic map. Prince Frederick, MD 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic., 1910 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsUSA.
Topographic map. Punjab, India, Topographic Map (1:63360), Map no. 43 H/5, Survey of India: Topographic, 1910 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsIndia.
Topographic map. Punjab, Second edition, Topographic Map (1:63360), Map no. 43 H/1, Survey of India: Topographic, 1911 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsIndia.
Topographic map. Reading, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1915 (1924), 1915 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsUSA.
Topographic map. Redbird, WY 7.5 Quad. (1 : 24000). U.S. Geological Survey: Topographic., 1981 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsUSA.
Topographic map. Reeds' District C of unpub. Yale Dissertation (1 : 62500). U.S. Geological Survey: Topographic., 1910 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Division of Invertebrate Paleontology Archives, 1861-2014MapsMiscellaneous.