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Number of results to display per page
TitleDateFile Number
1Check lists (manuscripts, 1928-1930)1928; 1929; 1930; 19370176_005_001
2Check lists from Zion National Park, Utah19300176_005_002
3Series of Nature Notes (Mostly from Zion Canyon)19260176_005_003
4Nature Notes drafts19260176_005_004
5Amphibians of Zion National Park19270176_005_005
6Animal Life of Zion National Park19280176_005_006
7Bryce, Zion and Grand Canyon: the evolutionary time scale; Living communities of Zion Canyon: groups of plants and animals19320176_005_007
8Carving of Zion Canyon (manuscript)19320176_005_008
9Carving of Zion Canyon (typescript)19320176_005_009
10Cliff dwellers of Zion National Park; History of Zion; Reminiscences of Samuel Wittwer1926; 19270176_005_010
11Cliff dwellers of Zion1926-070176_005_011
12Original manuscript of the ferns of Zion and the ferns of Utah1927; 19280176_005_012
13Ferns of Zion National Park; Ferns of Utah (typescript with photographs)1929-110176_005_013
14Ferns of Zion National Park; Ferns of Utah (carbon copy of typescript)1929-110176_005_014
15Geology of Zion (typescript)19290176_006_001
16Geology of Zion (manuscript)19290176_006_002
17Geology of Zion (typescript with photographs)19290176_006_003
18Two stories of Zion : Great White Throne--Unattainable!; Great White Throne--Has it ever been climbed?1925; 19270176_006_004
19Great White Throne--Unattainable! (typescript without photographs)19250176_006_005
20History of Zion (brief typescript version)19260176_006_006
21History of Zion (expanded typescript version)19260176_006_007
22History of Zion (expanded version, manuscript and typescript)1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 19490176_006_008
23History of Zion Canyon1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 19490176_007_001
24Insect studies in Zion National Park19300176_007_002
25Living communities of Zion Canyon1926; 1927; 1928; 1929; 1930; 1931; 1932; 19330176_007_003
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