Feb. 3, 1961 | Ranch approved for National Landmark status |
Oct. 7, 1970 | Advisory Board on National Parks recommends acquisition |
Nov. 13, 1970 | Ranch purchased by National Park Foundation |
Mar. 30, 1971 | Officially designated "Grant-Kohrs Ranch NHS |
Aug. 25, 1972 | GRKO authorized as unit of National Park System |
Nov. 21, 1972 | NPF deeds ranch to NPS |
Feb., 1973 | First Master Plan approved |
January 6, 1974 | Rocky Mountain Region established |
Aug. 4, 1974 | Supt. Richard R. Peterson arrives |
Dec. 8, 1974 | GRKO begins operations as an independent area |
Dec., 1974 | Park headquarters established at 314 Main |
1975 | GRKO affiliates with Yellowstone Library & Museum Assn. |
May, 1977 | Pedestrian underpass completed |
June 11, 1976 | Secretary's Advisory Board visits ranch |
June, 1977 | Visitor contact station/restrooms completed |
July 16, 1977 | Formal dedication ceremony and park opening |
Aug. 27, 1977 | Supt. Richard Peterson departs |
Oct. 23, 1977 | Supt. Thomas G. Vaughan arrives |
Fall, 1979 | I&RM division created. Curation segregated as a division |
Feb., 1980 | General Management Plan approved |
June, 1988 | NPS purchases remaining Warren lands |
July 26, 1980 | Supt. Thomas G. Vaughan departs |
Dec. 28, 1980 | Supt. Jimmy D. Taylor arrives |
Dec. 28, 1980 | P.L. 96-207 estab. new boundary/increases land and development ceilings |
1981 | Supt. designated Montana State Coordinator |
April 1, 1981 | Restrooms in HS-3 completed |
Feb. 4, 1981 | Water system completed |
July 16, 1981 | Land Acquisition Plan approved |
April, 1983 | Milwaukee Railroad land purchased |
Aug. 24-28, 1983 | "Last Spike Centennial" event |
Fall, 1983 | HS-1 furnishings moved to temporary storage |
Mar. 8, 1984 | Affiliates with Glacier Natural History Association |
July, 1984 | HS-1 furnishings returned from temporary storage |
May 21, 1985 | Land Protection Plan approved |
June 17, 1987 | Cultural Landscape Analysis approved |
Oct. 1, 1987 | GRKO and BIHO administratively consolidated |
June 16, 1988 | NPS purchases remaining Warren lands and structures |
July 30, 1988 | Supt. Jimmy D. Taylor departs |
Aug. 28, 1988 | Supt. Eddie L. Lopez arrives |
Fall, 1990 | Interpretation and resource management segregated |
1991 | Cultural Landscape Inventory and Analysis |
March 19, 1991 | Collection Management Plan approved |
May 7, 1991 | Land Protection Plan approved |
Dec. 18, 1992 | Park headquarters moved to 210 Missouri |
March, 1993 | EIS/GMP/DCP approved |
April 15, 1994 | Supt. Eddie L. Lopez departs |
Sept. 30, 1994 | BIHO and GRKO administratively separated |
May 29, 1994 | Supt. Anthony J. Schetzsle arrives |
1995 | Natural resources function professionalized |
January, 1995 | Curatorial and Maint. offices moved to Warren house |