Publication Information

Report of Investigations
1968-03-01 
RI-7 
Iowan Drift problem, northeastern Iowa, R. V. Ruhe, W. P. Dietz, T. E. Fenton, and G. F. Hall, 1968, 40 p., 12 figs., 5 tables. 
Quaternary 
 
$1.00 
$1.50 

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