TY - RPRT TI - Large and rich phosphorus resources in the Phosphoria Formation in the Soda Springs area, southeastern Idaho AU - Robert A. Gulbrandsen AU - Donathon J. Krier PY - 1980 DO - 10.3133/b1496 UR - https://pubs.usgs.gov/publication/b1496 ID - b1496 ER -