Wilm, Harold Gridley. <br/><br/>
Patterns for action  : water and recreation resources 

 - Berkeley :  University of California. School of Forestry,  1965 
 - 33 p. 
 - The Horace M. Albright Conservation lectureship  ; 5 .
 - The Horace M. Albright Conservation lectureship  ; 5 .
<br/><br/><label>LCCN: </label>54267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Conservacion.<br/>Recursos naturales--Conservación.