TY - RPRT TI - Isopach and structure contour maps of the Burro Canyon(?) Formation in the Chama-El Vado Area, Chama Basin, New Mexico AU - Jennie L. Ridgley PY - 1983 DO - 10.3133/mf1496c UR - https://pubs.usgs.gov/publication/mf1496C ID - mf1496C ER -