Thurber, Isaac L.
Isaac L. Thurber, a north coast landowner and bituminous rock mine operator. Neighboring property owners ran smaller mining operations, including A. Walrath, L. K. Baldwin, and Henry Cowell (see 1889 map at right). Thurber's land was part of the Rancho Refugio originally granted to three Castro sisters. The detail is part of the 1889 "Hatch Map" prepared for Santa Cruz County.
- History Pages: 43 - Petroleum in Santa Cruz, Then and Now
- Santa Cruz County, Calif. Illustrations (1997 edition), p50 (Baldwin contributed a report on the north coast dairies)
- Stanley D. Stevens, Names on the Map (2020 book), MAH Publications.