@misc{indiciaec104a6d32647, title = {A comparison of photograph-interpreted and IfSAR-derived maps of polar bear denning habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska}, author = {George M. Durner and Todd C. Atwood}, year = {2018}, doi = {10.3133/ofr20181083}, url = {https://pubs.usgs.gov/publication/ofr20181083}, note = {Source identifier: ofr20181083} }