The National Commission on Libraries and Information Science held a Mountain Plains Regional Hearing in Denver, Colorado, on September 18, 1974. Witnesses gave testimony about university, state, public, medical, school, and Indian reservation libraries, as well as library education programs, networks, systems, cable television, and programs for continuing education. Witnesses came from the states of South Dakota, Utah, Nebraska, Nevada, Wyoming, Colorado, North Dakota, and Kansas. The oral testimony of scheduled witnesses, including the conversations between witnesses and commission members, is presented verbatim along with opening and closing remarks of the commission chairman. (LS)