TY - RPRT TI - Analytical results and sample locality map of rock samples from the Hayfork 30' x 1 degree Quadrangle (northwest quarter of the Redding 1 degree x 2 degrees Quadrangle), Humboldt and Trinity counties, California AU - J.R. Hassemer AU - M.L. Silberman AU - R.T. Hopkins PY - 1992 DO - 10.3133/ofr92210b UR - https://pubs.usgs.gov/publication/ofr92210B ID - ofr92210B ER -