@misc{indiciae1158d62de4df, title = {Evidence of absence (v2.0) software user guide}, author = {Daniel Dalthorp and Manuela M. Huso and David Dail}, year = {2017}, doi = {10.3133/ds1055}, url = {https://pubs.usgs.gov/publication/ds1055}, note = {Source identifier: ds1055} }