Know your watersheds
Series: U.S. Dept. of Agriculture Leaflet -- no. 282; Leaflet (United States. Dept. of Agriculture) -- no. 282.
Publisher: G.P.O.
Published: 1957
Place of publication: Wash
Language: eng
Number of pages: 13
Subjects: Watersheds; Water-supply
Notes: "Formerly AIS No. 67"