APA (7th ed.) Citation

Cunningham, W. L., & Jones, R. L. (1990). Long-term effects of surface coal mining on ground-water levels and quality in two small watersheds in eastern Ohio. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Cunningham, William L., and Rick L. Jones. Long-term Effects of Surface Coal Mining on Ground-water Levels and Quality in Two Small Watersheds in Eastern Ohio. Columbus, Ohio: U.S. Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Cunningham, William L., and Rick L. Jones. Long-term Effects of Surface Coal Mining on Ground-water Levels and Quality in Two Small Watersheds in Eastern Ohio. U.S. Dept. of the Interior, U.S. Geological Survey, 1990.