@article{mcmahon_developing_2001,
	title = {Developing a {Spatial} {Framework} of {Common} {Ecological} {Regions} for the {Conterminous} {United} {States}},
	volume = {28},
	issn = {1432-1009},
	url = {https://doi.org/10.1007/s0026702429},
	doi = {10.1007/s0026702429},
	language = {en},
	number = {3},
	urldate = {2023-06-29},
	journal = {Environmental Management},
	author = {McMahon, Gerard and GREGONIS, STEVEN M. and WALTMAN, SHARON W. and OMERNIK, JAMES M. and THORSON, THOR D. and FREEOUF, JERRY A. and RORICK, ANDREW H. and KEYS, JAMES E.},
	month = sep,
	year = {2001},
	keywords = {Terrestrial Ecoregions (CEC 1997)},
	pages = {293--316},
}

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