Many librarians, library students, and other concerned citizens accepted the opportunity to write to the National Commission on Libraries and Information Science on the occasion of the Mountain Plains Regional Hearing, September 18, 1974 in Denver, Colorado. There were communications on countless facets of library and information services. Some topics covered were: library service to American Indians, school libraries and media centers, public libraries, federal financial support, the pros and cons of a national network, financial needs of libraries at the local level, academic and research library needs, cooperative efforts of libraries, problems of rural library service, state library services, medical libraries, interlibrary loans, services to the blind and aged, and the education of librarians. Statements from people in the states of Colorado, Vermont, North Dakota, Nebraska, Utah, Kansas, South Dakota, Wyoming, Nevada, Iowa, and Texas are included. (LS)