@misc{indiciaecffc33316d20, title = {Distribution and abundance of tungsten, determined for colorimetric and spectrographic analysis, in the minus-80-mesh fraction of stream sediment, Petersburg area, southeast Alaska}, author = {John B. Cathrall and G.W. Day and J. D. Hoffman and S.K. McDanal}, year = {1983}, doi = {10.3133/ofr83420v}, url = {https://pubs.usgs.gov/publication/ofr83420V}, note = {Source identifier: ofr83420V} }