Edelman, Jack R. <br/><br/>
The natural classroom :  a directory of field courses, programs, and expeditions in the natural sciences / 
Jack R. Edelman. 
 - Golden, Colo. :  North American Press,  c1996. 
 - viii, 278 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>1555919235 
<br/><br/><label>LCCN: </label>96006046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Study and teaching--United States--Directories.<br/>Natural history--Study and teaching--Directories.<br/>Natural history--Research--United States--Directories.<br/>Natural history--Research--Directories.
<br/><br/><label>LC Class. No.: </label>QH50.5  / .E34 1996 
<br/><br/><label>Dewey Class. No.: </label>508/.071