@misc{indiciae2d3d92fb6d27, title = {GCLAS: a graphical constituent loading analysis system}, author = {T.E. McKallip and G. F. Koltun and J. R. Gray and G.D. Glysson}, year = {2001}, url = {https://pubs.usgs.gov/publication/70120632}, note = {Source identifier: 70120632} }