http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Vascular plants of the Sheldon National Wildlife Refuge
with special reference to possible threatened and endangered species
iv, 87 leaves : illustrations, maps ; 28 cm.
submitted to U.S. Fish and Wildlife Service, Region 1 ... by Brant S. Rogers, Arnold Tiehm.
Sheldon National Wildlife Refuge, Nev. and Or