Marshall, R. B. (Robert Bradford), 1867-1949; Herron, W. H. (William Harrison), 1865-; Griffin, W. H. (William H.); Sadler, C. L.R. B. Marshall, chief geographer , W. H. Herron, Geographer in charge , topography by W. H. Griffin and C. L. Sandler , Control by J. R. Ellis and C. H. Semper. Variant title: Bloomington quadrangle. Filing title: Bloomington, Ind. Edition of Feb. 1910. Polyconic projection. Relief shown by contours and spot heights. Contour interval 20 feet. Surveyed in 1907-1908. Reprinted in 1931, 1946, 1948, and 1958. Edition and reprint statement dropped from 1958 reprint. 1946 reprint includes handwritten index of caves. Text and illustrations on verso. "N3900-W8630/15."Imprint: [Washington, D.C.] : United States, Department of the Interior, Geological Survey, [1948]Dimensions: 45 x 42 cm or smaller; Scale: 1:62,500JPEGG4090 s62 .G4 Bloomington 1910 R1948engGeological Survey (U.S.)PublicIndiana Bloomington quadrangle [1948 reprint]MapsIndiana--Owen CountyIndiana--Greene CountyIndiana--Monroe CountyIndiana1948Indiana University