@misc{indiciae5d3ffaf4a1bf, title = {Geologic map of the Leadpoint quadrangle, Washington}, author = {Robert Giertz Yates and J. F. Robertson}, year = {1956}, doi = {10.3133/ofr56136}, url = {https://pubs.usgs.gov/publication/ofr56136}, note = {Source identifier: ofr56136} }