TY - RPRT TI - Silurian and Devonian carbonate-shelf rocks and Lower Jurassic sequence near Rancho Placeritos West-Central Sonora AU - Forrest G. Poole AU - R. Amaya-Martinez AU - William R. Page PY - 2000 UR - https://pubs.usgs.gov/publication/70226512 ID - 70226512 ER -