Work map of bottom sediment grab sampling sites to determine particle size of southern Lake Michigan

Call Number: 
3312 d7-1
Author: 
Lee H. Somers and Paul D. Josephson
Date: 
1968?
Map Description: 
1 sheet ; 93 x 120 cm.
Notes: 
shows data points; See article in Proceedings of the 11th Conference on Great Lakes Research 1968, "Bottom sediments of southwestern Lake Michigan," p. 245-252.
Keywords: 
Lake Michigan--Sediment distribution Sediment particle size