1890 | California | | celebrated General Grant | | | Tree, 35 feet in diameter--6 | | | miles from Sequoia National | | | Park. | | | Mount Rainier, | West central | 324 | Largest accessible single peak 1899 | Washington | | glacier system--28 glaciers, | | | some of large size--48 square | | | miles of glacier, 50 to 500 | | | feet thick--Wonderful | | | sub-alpine wild flower fields. | | | Crater Lake, | Southwestern | 249 | Lake of extraordinary blue in 1902 | Oregon | | crater of extinct | | | volcano--Sides 1,000 feet | | | high--Interesting lava | | | formations. | | | Wind Cave, 1903| South Dakota | 17 | Cavern having many miles of | | | galleries and numerous chambers | | | containing peculiar formations. | | | Platt, 1904 | S. Oklahoma | 1-1/3 | Many sulphur and other springs | | | possessing medicinal value. | | | Sullys Hill, | North Dakota | 1-1/5 | Small park with woods, streams, 1904 | | | and a lake--Is an important | | | wild animal preserve. | | | Mesa Verde, | S.W. Colorado | 77 | Most notable and best preserved 1906 | | | prehistoric cliff dwellings in | | | United States, if not in the | | | world. | | | Glacier, 1910 | Northwestern | 1,534 | Rugged mountain region of | Montana | | unsurpassed Alpine | | | character--250 glacier-fed | | | lakes of romantic beauty--60 | | | small glaciers--Sensational | | | scenery of marked | | | individuality. | | | Rocky Mountain,| North middle | 398 | Heart of the Rockies--Snowy 1915 | Colorado | | range, peaks 11,000 to 14,250 | | | feet altitude--Remarkable | | | records of glacial period.