After the coal
Subtitle: lush grass
Series: Picture story -- no. 234; Picture story (United States. Department of Agriculture) -- no. 234.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1971
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Mine soils; Environmental aspects; Revegetation; Grasses
Notes: Cover  title.

"March 1971."