00823cam a22002411 4500 ca 19000073 DLC 20260227111108.0 860709s1917 inuab 000 0 eng ca 19000073 (OCoLC)13841678 DLC IHi DLC premarc GB635.I6 K6 Knotts, Armanis F. The dunes of northwestern Indiana, by A.F. Knotts ... "Photos taken by H.H. Daugherty, Gary, Ind." [Gary? 1917] 20 p. illus. (incl. maps) 23 cm. "Prepared for and published in Indiana Geological Report, 1916." [Forty-first annual report of Department of Geology and Natural Resources, Indiana, p. 11-27] Sand dunes. Michigan, Lake. Geology Indiana. 15454 15454