@misc{indiciae280e977b2e5e, title = {GS MRDS : a system based on the data fields used in the national MRDS system but using dBASE III and a microcomputer (IBM PC) or compatible) for organizing data on mineral resource occurrences and providing tabular and graphic output}, author = {Richard B. Taylor and Gary I. Selner and Bruce R. Johnson}, year = {1986}, doi = {10.3133/ofr86450a}, url = {https://pubs.usgs.gov/publication/ofr86450A}, note = {Source identifier: ofr86450A} }