TY - RPRT TI - Preliminary geologic map of the Maxwelton Quadrangle, Island County, Washington AU - David P. Dethier AU - S. A. Safioles AU - James P. Minard PY - 1981 DO - 10.3133/ofr82192 UR - https://pubs.usgs.gov/publication/ofr82192 ID - ofr82192 ER -