@misc{indiciaecc3094061c3d, title = {Geologic framework, age, and lithologic characteristics of the North Park Formation in North Park, north-central Colorado}, author = {Ralph R. Shroba}, year = {2016}, doi = {10.3133/sir20165126}, url = {https://pubs.usgs.gov/publication/sir20165126}, note = {Source identifier: sir20165126} }