Introduction to geographic field methods and techniques / 
John F. Lounsbury and Frank T. Aldrich. 
 - Columbus :  Charles E. Merrill Publishing Co.,  1979. 
 - 181 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0675083044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Field work<br/>Geography--Study and teaching