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<br />
<br />veloping enlarged, stabilized islands and
<br />bars that have restricted channels 13 % to
<br />55% of their former width. Island and bar
<br />dimensions change allometrically,
<br />
<br />ACKNOWLEDGMENTS
<br />
<br />Research into the impact of tamarisk on
<br />the landscape of the Green River was
<br />financially supported lw a granr from the
<br />Research and Exploration Commirree of
<br />the National Geographic Sociery, Field re-
<br />search on rhe Green River was ourfirred and
<br />supported by T ex McClatchery of i\loab,
<br />Urah, Richard G, Baker provided llseful
<br />comments throughou r the project. \Xi, C.
<br />Stanley provided cartographic assisrance,
<br />
<br />REFERENCES CITED
<br />
<br />~nlCrican Society of Photogrammetry, 1960,
<br />Manual of photogrammetry: Falls Church,
<br />Va" American Society of Photogralllmetry,
<br />1,220 p,
<br />Baars, D, L., and Molenaar, C. M" 1971, Geol-
<br />ogy of Canyonlands and Cataract Canyon:
<br />Four Corners Geological Society Guide-
<br />book, 6th Field Conference, 99 p,
<br />l\elknap, B" and Belknap, B" 1974, Canyonlands
<br />river guide: Boulder City, Nev" \Xiestwaler
<br />Books, 63 p,
<br />Bowser, C. W" 1960, The phrearophytl' prob-
<br />lem: Arizona Watershed Symposium, Tuc-
<br />son, 1960, Proceedings, v, 4, p, 17-- 18,
<br />Bull, W, B" 1975, Allometric change of land-
<br />forms: Geological Socit.ty of America Rul-
<br />letin, v, 86,1', 148':1-1498,
<br />Christensen, E, M" 1962, The rate of naturaliza-
<br />tion of Tumarix in Utah: American Mid-
<br />land Naturalist, v, 68, 1', 51-57,
<br />Clover, E, A" and Jotter, L., 1':144, FlOristic
<br />studies in the canyons of the Colorado and
<br />tributaries: American Midland Naturalist,
<br />v, 32,1',591-642,
<br />(ooley, 1\1, E., 1962, L.lte Pleistocene and Recent
<br />erosion and alluviation in parts of the Col-
<br />orado River system, Arizona and Utah: U,S,
<br />Geological Survey Professional Paper
<br />450-B, 1', 48-50,
<br />DietZ, R, A" 1952, The evolution of a gravel bar:
<br />Missouri Botanical Gankn Ann,lls, v, .19,
<br />p,250,
<br />Eddy, c., 1929, Down the world's most danger-
<br />ous river: New York, F, A, Stokes Co"
<br />293 p,
<br />fa~, I. W" 1976, Photogrammetric potentials of
<br />non-metric cameras: Photogrammetric En-
<br />gineering and Remote Sensing, v, 42,
<br />p,47-49,
<br />Idwater, B, M" 1970, Delightful journey:
<br />
<br />TAMARISK IN THE COLORADO PLATEAU REGION
<br />
<br />Tempe, Ariz" Arizona Historical Founda-
<br />tion, 209 1',
<br />Hadley, R, F" 1961, In/1uence of riparian vege-
<br />tation on channel shape, northeastern
<br />Arizona: U,S, Geological Survey Profes-
<br />siona' Paper 424-C, p, 30--3 l.
<br />Harris, D, R" 1966, Recent plant invasions in the
<br />,Hid and sl'miarid southwest of the United
<br />States: Association of American Geog-
<br />r,lphers Annals, v, 56, p, 408,-422,
<br />Herron, W, H" 1917, Profile survevs in the Col-
<br />oudo Riwr h,1Sin in Wvomin'g, Utah, Col-
<br />orado, and New \-1exico: U,S, Geological
<br />Survcy Warn ,Supply Paper 396,6 p,
<br />Horton, J. S" 1962, Taxonomic notes on
<br />T,mwri\' pelltalldra in Arizona: The Somh-
<br />western Naturalist, v, 7,1" 22-28,
<br />-1964, Notes on the introduction of decidu-
<br />OllS cllnarisk: U,S, Departmem of Agricul-
<br />ture, Forest Service Research Note RM-16,
<br />141',
<br />Horton, J. S" and Campbell, C. J., 1974, Man-
<br />agclllt'nr of phrcatophytes and riparian
<br />vegetation for maximum multiple use val-
<br />lies: U,S, Department of Agriculture, Forest
<br />Service Research Paper RM-117, 23 p,
<br />Horton, J. S" Mounts, F, c., and Kraft, J. M"
<br />1960, Seed germination and seedling estab-
<br />lishment of phrealOphyte species: U.S, De-
<br />partment of Agriculture, Forest Service,
<br />Rocky Mountain Forest and Range Exper-
<br />iment Station, Paper 48, 16 p,
<br />Hunt, C. B" ] 956, Cenozoic !!.eolo!!.y of the Col-
<br />orado Plateau: U,S, GeologICal Survey Pro-
<br />fessional Paper 279, 99 p,
<br />,1969, Gl'llloglC history of thc Colorado
<br />River: U.5, Geological Survey Professional
<br />Papcr 669, p, 59-1.10,
<br />Kolb, E, L., 1927, Through the Grand Canyon
<br />from Wvoming to Mexico: New York,
<br />MaCllulbn, 344 1',
<br />bRue, 1', c., 1916, Colorado Rivcr and its mili-
<br />zation: U,S, Geological Survey Paper 395,
<br />231 p,
<br />Leopold, L. 1\" Wolman, M, (;" and MIller, J.P"
<br />1964, Fluvial processes in geomorphology:
<br />San Francisco, Freeman and Co" 522 p,
<br />Lohman, S, W" 1974, The geologic story of Can-
<br />yonlands N,Itional Park: U,S, Geological
<br />Survey Bullelin 1327, 126 p,
<br />Malek, H, E., 1973, Geologic bench marks by
<br />terrestrial photography: U,S, Geological
<br />Survey Journal of Research, v, ], 1', 193-
<br />206,
<br />IIhllrie, 0" ,lnd Pcnfold, J. W" 1955, The
<br />natural world of dinosaur, ill Stegner, W"
<br />ed" This is dinosaur: New York, Alfred A,
<br />Knopf, 1', 31-47,
<br />Mutschler, F. E" 1969, River runner's guide to
<br />the canvons of the Green and Coloardo
<br />Rivers, ~ith emphasis on geologic features:
<br />Vol. ll, Labyrinth, Stillwater, and Cataract
<br />Canyons: Denver, Powell Society, Ltd"
<br />79 p.
<br />
<br />1501
<br />
<br />Robinson, T. W" 1958, Phreatophytes: V,S,
<br />Geologica' Survey Water-Supply Paper
<br />1423, p, 70-75,
<br />-1965, Introduction, spread, and areal extent
<br />of saltcedar (Tamarix) in the western states:
<br />U,S, Geological Survey Professional Paper
<br />491-A, 121',
<br />Shoemaker, E, M" and Stephens, H, G" 1969,
<br />The Green and Colorado River canyons ob-
<br />served from the foorsteps of Beaman and
<br />Hillers 97 years after Powell: Geological
<br />Society of A rnerica Ahstracts with Programs
<br />for 1969, pt, 5, 1', 7.3,
<br />--1975, First photographs of the Can-
<br />yonlands, ill Fassett, J. E., ed" Canyonlands
<br />County: Four Corners Geological Society
<br />Guidebook 8th Field Conference, 1', 111-
<br />222,
<br />Smith, D, G" 1':176, Effect of vegetation on 'at-
<br />eral migration of anastomosed channels of a
<br />glacier meltwater river: Geological Society
<br />of America Bulletin, v, 87, p, 857-860,
<br />Stamon, R, B" 1965, Down the Colorado: Nor-
<br />man, University of Oklahoma Press, 232 1',
<br />Stone, J. F" 19.32, Canyon country: New York,
<br />G, 1', Putnam's Sons, 422 p,
<br />Thomas, H, E" 1952, Hydrologic reconnaissance
<br />of the Green River in Utah and Colorado:
<br />l),S, Geological Survey Circular 129, 18 p.
<br />Thornes, J. B" 1970, The hydraulic geometry of
<br />stream channels in the Xingu-Araguaia
<br />headwaters: Geographical Journal, v, 136,
<br />p, .376-.382,
<br />Turner, R, M" 1974, QuantitatIve and historical
<br />evidence of vegetation changes along the
<br />upper eila River, Arizona: U,S, eeological
<br />Survey Professional Paper 65S-H, 20 1',
<br />U,S, Bureau of Reclamation, 1946, The Colorado
<br />River: Washington, D,C., V,S, Department
<br />of Interior, 295 p,
<br />Warren, D, K" and Turner, R, M" 1975,
<br />Saltcedar (Tamarix chinellsis) seed produc-
<br />tion, seedling establishment, and response
<br />to inundarion: Arizona Academy of Sci-
<br />ences Journal, v, 10, p, 135-144,
<br />Woldenberg, M, J., 1 %8, Open systems _
<br />Allometric growth, ill Fairbridge, R, W"
<br />ed" The encyclopedia of ~eomorphology:
<br />New York, Reinhold Book Corp" 1', 776-
<br />777,
<br />Zimmerman, R, c., Goodlett, J, c., and Comer,
<br />G, H" ] 967, The in/1uence of vegetation on
<br />channel form of small streams, ill Sym-
<br />posium on river morphology: International
<br />Association of Scielltific Hydro'ogy Publi-
<br />cation 75, 1', 255-275,
<br />
<br />MANUSCRIPT RECEIVED BY THE SOCIETY
<br />JANUARY 21, 1977
<br />REVISED MANUSCRIPT RECEIVED OCTOBER 7,
<br />1977
<br />MANUSCRIPT ACCEPTED OCTOBER 28, 1977
<br />
<br />Pnnled In U,S,A
<br />
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