United States. Senate <br/><br/>
National Conference on Outdoor Recreation 

 - Washington :   Government Printing Office,   1928. 
 - 104 p. ;   18 cm. 
 - Senate document ;   158 .
<br/><br/> A Report Epitomizing the Results of Major Factfinding Surveys and Porjects Wich have Benn Undertaken Under the Auspices of the National Conference on Outdoor Recreation