 Named for David C. Robinson, it was the place where cargo was unloaded in the river from seagoing craft on to flatbottomed steamboats and carried up to Fort Yuma and points further north on the river from 1852 onward.Joseph C. Ives, described it as it was in 1858, in his 1861 "Report upon the Colorado river of the West" The river here was subject to a severe tidal bore that formed in the estuary about Montague Island and propagated upstream and could on occasion swamp barges, boats and ships.By 1865, a better location was found, ships offloaded their cargos on the east bank of the river at Port Isabel, Sonora, northeast of Montague Island.