[Contract reports], 1972-1976

This series consists of documents related to individual wells belonging to GASP. It includes membership lists in binders dated from 1974 to 1998, with the exception of 1989, which is missing. These lists detail payment information and numbers of wells covered yearly for each member. Also included are original contract agreements, individual well-data cards, and listings of wells in the South Platte valley receiving priority dates following the 1969 Water Rights Adjudication and Determination Act. Materials are arranged alphabetically by type, and alphabetically or chronologically therein as appropriate.