@misc{indiciae63feac02f16b, title = {Regional soil-gas helium distribution of the Ely and Delta 1° x 2° quadrangles, Basin and Range Province}, author = {G.M. Reimer and C.G. Bowles}, year = {1990}, doi = {10.1016/0375-6742(90)90101-f}, url = {https://pubs.usgs.gov/publication/70016131}, note = {Source identifier: 70016131} }