@misc{indiciae473242fae620, title = {Updated principal facts for gravity data compiled for the Fresno 1 by 2 degree sheet, California}, author = {Kim S. Kirchoff-Stein and Victoria E. Langenheim}, year = {1991}, doi = {10.3133/ofr914b}, url = {https://pubs.usgs.gov/publication/ofr914B}, note = {Source identifier: ofr914B} }