Freethey, Geoffrey W. <br/><br/>
Geohydrology of Mesozoic rocks in the Upper Colorado River Basin in Arizona, Colorado, New Mexico, Utah, and Wyoming, excluding the San Juan Basin / 
by Geoffrey W. Freethey and Gail E. Cordy. 
 - Washington :  Denver, CO :  U.S. G.P.O. ;  For sale by the Books and Open-File Reports Section, U.S. Geological Survey,  1991. 
 - x, 118 p. :  ill. (some col.), maps (some col.) ;  30 cm. 
 - U.S. Geological Survey professional paper ;  1411-C .
<br/><br/> Six folded col. plates in pocket. 
<br/><br/>Includes bibliographical references (p. 115-118). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Colorado River Watershed (Colo.-Mexico)<br/>Geology, Stratigraphic--Mesozoic.
<br/><br/><label>Dewey Class. No.: </label>551.4909791