The Bolsa Chica Collection comprises primarily the financial records of the six Bolsa Corporations, Bolsa Pacific, Bolsa Mesa, Bolsa Los Patos, Bolsa Laguna, Bolsa Huntington, and Bolsa Grande. All of the corporations are located in Southern California. There is additional information regarding land-lease agreements, oil and gas leases, and the history of the Bolsa Chica gun club.