@misc{indiciae6af6dc78c370, title = {The occurrence of gypsum at Iyoukeen Cove, Chichagof Island, Alaska}, author = {Benjamin Duane Stewart}, year = {1932}, doi = {10.3133/b824e}, url = {https://pubs.usgs.gov/publication/b824E}, note = {Source identifier: b824E} }