@misc{indiciae51234507386d, title = {Map showing the depth to the base of the deepest ice-bearing permafrost as determined from well logs, North Slope, Alaska}, author = {T. S. Collett and K. J. Bird and K.A. Kvenvolden and L. B. Magoon}, year = {1989}, doi = {10.3133/om222}, url = {https://pubs.usgs.gov/publication/om222}, note = {Source identifier: om222} }