A collection of letters, a booklet & a postal card. Examples are: a letter (5/1/58) from Conrad L. Wirth (Dir., National Park Service) to Wilson re/ “It is a pleasure to present to you a copy of the National Park Service MISSION 66 booklet MISSION 66 In Action;” letters (June-July 1958) from constituents Mr. and Mrs. F. Wright McConnell, Wilson & Conrad L. Wirth (Dir., National Park Service) re/ proposed Blue Cut Road thru Joshua Tree National Monument - both the Park Service and the McConnells opposed the road; postal card and letters (July-Aug. 1958) re/ further opposition to the south entrance road, the Blue Cut Road, through Joshua Tree National Monument; letters (July-Aug. 1958) from Coronado constituent Cmdr. Edwin C. Ensley, Wilson & E. T. Scoyen (Associate Dir., National Park Service) re/ Cmdr. Ensley’s disappointing vacation at Yosemite Valley because of crowded campground, noise and smells. He did recognize the efficiency work of the parks’ sanitary crews and the courtesy among campers, but there were just too many people crowded into limited space. In 1870 there were less than 2,000, by 1946 a half million & by 1970 the count had risen another 114,000; a letter (9/14/58) from Cathrine VanWart Spencer to R.E. Dobson, Jr. (Water Superintendent, San Diego Water Dept.) & enclosed “outline of the management objectives and procedures for the Hauser Mountain Resource Management Unit” re/ watershed lands lying within the Barrett Drainage Basin; a letter (11/14/58) from Leonard J. Goss (President, American Assoc. of Zoological Parks and Aquariums) and Wilson’s reply (12/3/58) re/ a resolution adopted by the Assoc. last October opposing H. R. 12126 which prevented the importation of wild ruminants and swine into the United States; a letter (12/4/58) from Cecil Gunthrop (Imperial Beach Mayor) & Wilson’s reply (12/11/58) re/ appointment to discuss possible international park at the monument near Border Field.