Lee, K. Y. <br/><br/>
Triassic- jurassic stratigraphy of the culpeper and barboursville basins virginia and maryland / 
by K. Y. Lee and A. J. Froelich 
 - Washington :  United States Government Printing Office.,  1989 
 - iv, 35 p. :  ill., map ;  28 cm. 
 - U.S. Geological Surveyproifessional paper ;  1472 .
<br/><br/> Prepared in cooperation with the Illinois Department of Natural Resources, Office of Water Resources and Du Page County, Department of Environmental Concerns 
<br/><br/>Includes bibliographical references (p. 34-35) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Triassi--Survey--Maryland
<br/><br/><label>Dewey Class. No.: </label>551.76209755