01022cam a22002531 4500 gs 12000088 DLC 20260227111312.0 780306s1911 xx 000 0 eng c gs 12000088 (OCoLC)3690831 Library, U.S. Geological Survey OT DLC premarc QH105.M5 A3 no. 2 Michigan. Geological Survey. A biological survey of the sand dune region on the south shore of Saginaw Bay, Michigan. Prepared under the direction of Alexander G. Ruthven. Lansing, Mich., Wynkoop, Hallenbeck, Crawford co., state printers, 1911. 347 p. XIX pl., fold. map. 24 cm. Publication 4, Biological series 2 At head of title: Michigan Geological and biological survey. Published as part of the Annual report of the Board of geological and biological survey for 1910. Sand dunes. Ruthven, Alexander Grant, 1882- 25115 25115