McDonald, M. G. <br/><br/>
Hydraulic characteristics of an underdrained irrigation circle, Muskegon County wastewater disposal system, Michigan / 
by M. G. McDonald ; prepared in cooperation with the Michigan Department of Natural Resources 
 - Reston, VA :  U.S. Department of the Interior,  1981 
 - iii, 14 p. :  ill. ;  24 cm. 
 - U.S. Geological Survey water supply paper ;  Paper. no. 2081 .
<br/><br/>Bibliography: p. 14 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage irrigation--Michigan--Muskegon Co.<br/>Sprinkler irrigation--Michigan--Muskegon Co.<br/>Drainage--Michigan--Muskegon Co.<br/>Sewage<br/>Sanitary engineering
<br/><br/><label>Dewey Class. No.: </label>628.3623