@misc{indiciaed9906586a277, title = {Ecological condition and public use of the Cabrillo National Monument intertidal zone 1990-1995}, author = {John M. Engle and Gary E. Davis}, year = {2000}, doi = {10.3133/ofr0098}, url = {https://pubs.usgs.gov/publication/ofr0098}, note = {Source identifier: ofr0098} }