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 .
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>gs 12000088  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand dunes.
<br/><br/><label>LC Class. No.: </label>QH105.M5  / A3 no. 2