Leighton, Morris M.  1887-1971. <br/><br/>
The road building sands and gravels of Washington, 
by Morris M. Leighton. 
 - Olympia,  F.M. Lamborn, Public Printer,  1919. 
 - 307 p.  illus., tables. ix pl. (incl. fold. map)  23 cm. 
 - Washington. Geological Survey. Bulletin  no. 22 .
 - Washington (State).  Division of Mines and Geology.  Bulletin ;  no. 22. .
<br/><br/>Bibliography: p. [292]-294. 
<br/><br/><label>LCCN: </label>gs 19000178  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Washington (State)
<br/><br/><label>LC Class. No.: </label>TE200  / .L4