Outdoor classrooms on school sites
Contributors: United States. Soil Conservation Service
Edition: Slightly rev. Dec. 1980
Series: PA -- 975; Program aid (United States. Dept. of Agriculture) -- no. 975
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 22
Subjects: Outdoor education
Notes: Cover title

"Issued January 1972."