Reclaiming Illinois strip coal lands by forest planting
Limstrom, G.A., Deitschman, G.H.
Reclaiming Illinois strip coal lands by forest planting - Urbana 1951 - 197-250 p. - Illinois Agricultural Experim .
Reclaiming Illinois strip coal lands by forest planting - Urbana 1951 - 197-250 p. - Illinois Agricultural Experim .