Plant performance on surface coal mine spoil in eastern United StatesJ. D. Ruffner · First published 1978Open the Tome
Projecting the use of new plant materials for special reclamation problemsJ. D. Ruffner · First published 1973Open the Tome
Projecting use of new plant materials for special reclamation problemsJ. D. Ruffner · First published 1973Open the Tome
Adaptation and performance of shrubs in mine spoil reclamationJ. D. Ruffner · First published 1965Open the Tome
Historical documents on common school educationHenry Ruffner, Wise, Henry A., James Henley Thornwell, United States. Bureau of Education · First published 1901Open the Tome
An evaluation of species planted on coal strip mine spoil in West Virginia for stabilization purposes 1955 to 1965J. D. RuffnerOpen the Tome