Ownership: Private (cattle ranch)
Stored Grains Present: No
Primary Substrate: Himalayan blackberry (Rubus armeniacus)
Secondary Substrate: bulrush or tule (Schoenoplectus spp.)
Linearly distributed along Basin Hollow Creek for more than than 0.8 mi (1.3 km), the center of this breeding colony is located on the south side of Whitmore Road, 4.6 miles northeast of the village of Millville, Shasta County, California.