REFERENCES 
Albersheim, P., 1975, The walls of growing plant cells: Scientific American, 
v. 232, p. 80-95. 
Allen, E.T., and A.L. Day, 1935, Hot springs of the Yellowstone National 
Park: Carnegie Inst. Wash. Pub. 466, 525 p. 
Arnold, C.A., 1941, The petrification of wood: The Mineralogist, v. 9, p. 
323-324, 353-355. 
Bailey, I.W., 1954, Contributions to Plant Anatomy, Chronica Botanica 
Co., Waltham, 259 p. 
Bailey, |.W., and E.S. Barghoorn, 1942, Identification and physical condi- 
tion of the stakes and wattles from the fishweir: 1 Johnson, F. (ed.), 
Papers of the Robert S. Peabody Foundation for Archaeology, v. 2, p. 
82-89. 
Barghoorn, E.S., 1949, Paleobotanical studies of the fishweir and as- 
sociated deposits: in Johnson, F. (ed.), Papers of the Robert S. Pea- 
body Foundation for Archaeology, v. 4, p. 49-83. 
Barghoorn, E.S., 1952, Degradation of plant tissues in organic sediments: J. 
Sed. Petrol., v. 22, p. 34-41. 
Barghoorn, E.S., 1960, Petrifaction: in McGraw-Hill Encyclopedia of Sci- 
ence and Technology, v. 10, p. 42. 
Brooks, R.R., 1972, Geobotany and Biogeochemistry in Mineral Explora- 
tion, Harper and Row, New York, 290 p. 
Browning, B.L., 1963, The composition and chemical reactions of wood: In 
Browning, B.L. (ed.), Chemistry of Wood, Wiley, p. 57-101. 
Buurman, P., 1972, Mineralization of fossil wood: Scripta Geol., v. 12, p. 
1-43. 
Buurman, P., N. van Breemen, and S. Henstra, 1973, Recent silicification of 
plant remains in acid sulfate soils: N. Jb. Miner. Mh., v. 3, p. 117-124. 
Comstock, G.L. and W.A. Coté, 1968, Factors affecting permeability and pit 
aspiration in coniferous wood: Wood Science and Technology, v. 2, p. 
279-291. 
Coté, W.A. (ed.), 1965, Cellular Ultrastructure of Woody Plants, Syracuse 
University Press, 603 p. 
Deer, W.A., R.A. Howie, and J. Zussman, 1966, An Introduction to the 
Rock-Forming Minerals, Wiley, 528 p. 
Dorf, E., 1964, The petrified forests of Yellowstone Park: Scientific Ameri- 
can, v. 210, p. 107-114. 
Drum, R.W. 1968a, Petrifaction of plant tissue in the laboratory: Nature, v. 
218, p. 784-785. 
Drum, R.W., 1968b, Silicification of Betula woody tissue in vitro: Science, v. 
161, p. 175-176. 
Ellis, E., 1965, Inorganic elements in wood: in Coté, W., (ed.), Cellular 
Ultrastructure of Woody Plants, Syracuse University Press, p. 181-189. 
Flaig, W., 1968, Biogeochemical factors in coal formation: in Murchison, 
D.G., and T.S. Westoll (eds.), Coal and Coal-Bearing Strata, Elsevier, 
New York, p. 197-232. 
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