The Moquelumnan family occupies the territory bounded on the north by
the Cosumne River, on the south by the Fresno River, on the east by the
Sierra Nevada, and on the west by the San Joaquin River, with the
exception of a strip on the east bank occupied by the Cholovone. A part
of this family occupies also a territory bounded on the south by San
Francisco Bay and the western half of San Pablo Bay; on the west by the
Pacific Ocean from the Golden Gate to Bodega Head; on the north by a
line running from Bodega Head to the Yukian territory northeast of Santa
Rosa, and on the east by a line running from the Yukian territory to the
northernmost point of San Pablo Bay.