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PACIFIC SCIENCE, Vol. II, October, 1948 
(4) low-pressure collapse of present caldera 
(a) partial collapse and early Keanaka- 
koi magmatic explosions 
( b ) severe collapse and phreatic explo¬ 
sions reaching a maximum in the 
fifteenth and seventeenth eruptions 
(5) possible gradual resumption of high- 
pressure dome-building suggested by the 
important crater-filling activity since 
1790 
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is believed to be complete; literature prior to that 
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not listed here unless specifically referred to in the 
text. 
Dana, James D. 1891. Characteristics of 'vol¬ 
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Doerr, John E., Jr. 1933. Tree molds in the 
Volcano Golf Course, Hawaii Natl. Park 
Nature Notes 3: 3-7. 
Finch, R. H. 1925. The ash deposits at Kilauea 
Volcano. Volcano Letter 17: 1. 
--— 1942. The surface ash deposits at 
Kilauea Volcano. Volcano Letter 478: 1-3. 
-- 1947. Kilauea in 1790 and 1823. Vol¬ 
cano Letter 496: 1-3. 
Hitchcock, C. H. 1911. Hawaii and its vol¬ 
canoes. viii+314 p. Hawaiian Gazette Co., 
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Jaggar, T. A. 1921. Fossil human footprints 
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Monthly Bui. 9: 114-118. 
Macdonald, Gordon A. In press. Petrography 
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Powers, Sidney. 1916. Explosive ejectamenta 
of Kilauea. Amer. Jour. Sci. 4 1: 227-244. 
Stearns, H. T., and G. A. Macdonald. 1946. 
Geology and ground-water resources of the 
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phy Bui. 9. xiii+363 p. Honolulu. 
Stone, John B. 1926. The products and struc¬ 
ture of Kilauea. Bernice P. Bishop Mus. Bui. 
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Hawaii. Volcano Observatory, viii+183 p. 
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