@misc{indiciae4ea75a649dc0, title = {Domestic phosphate deposits}, author = {V.E. McKelvey and J.B. Cathcart and Z. S. Altschuler and R. W. Swanson and Katherine Lutz}, year = {1953}, doi = {10.3133/ofr53165}, url = {https://pubs.usgs.gov/publication/ofr53165}, note = {Source identifier: ofr53165} }