@misc{indiciaeefe43c5f6b61, title = {National Wildlife Refuge System: Ecological context and integrity}, author = {J. M. Scott and T. Loveland and K. Gergely and J. Strittholt and N. Staus}, year = {2004}, url = {https://pubs.usgs.gov/publication/70026619}, note = {Source identifier: 70026619} }