@misc{indiciae1e9c6bf615cc, title = {EVALUATION OF THE EFFECTS OF WEATHERING ON A 50-YEAR OLD RETORTED OIL-SHALE WASTE PILE, RULISON EXPERIMENTAL RETORT, COLORADO.}, author = {Michele L. Tuttle and Walter E. Dean and Daniel J. Ackerman}, year = {1985}, url = {https://pubs.usgs.gov/publication/70012990}, note = {Source identifier: 70012990} }