@misc{indiciaefb0d990ddac4, title = {Map Showing Quaternary Geology and Geomorphology of the Lees Ferry Area, Glen Canyon, Arizona}, author = {Richard Hereford and Kelly J. Burke and Kathryn S. Thompson}, year = {2000}, doi = {10.3133/i2663}, url = {https://pubs.usgs.gov/publication/i2663}, note = {Source identifier: i2663} }