@misc{indiciae783fa74a5f11,
  title = {Shapefile of the Elevation of the Bedrock Surface Beneath the Rocky Flats Alluvial Fan, Boulder and Jefferson Counties, Colorado},
  author = {Daniel H. Knepper},
  year = {2003},
  doi = {10.3133/ofr03443},
  url = {https://pubs.usgs.gov/publication/ofr03443},
  note = {Source identifier: ofr03443}
}