Albert, J. W., andP. A. Guadal. 1941. The journal of Lieutenant J. W. Albert, from Bent’s Fort to St. Louis in 1845. Panhandle-Plains Historical Society, Canyon, Texas. Map.
Arnold, L. W.
1942. Notes on the life history of the sand pocket mouse. Jour. Mam.23
: 339–341.Google Scholar
Bartlett, J. R. 1854a. Personal narrative of explorations and incidents in Texas, New Mexico, California, Sonora and Chihuahua. Vol. I.
-----. 1854b. Personal narrative of explorations and incidents in Texas, New Mexico, California, Sonora and Chihuahua. Vol. II.
Bauer, H. L.
1936. Moisture relations in the chaparral of the Santa Monica Mountains, California. Ecol. Monog.6
: 404–454.CrossRefGoogle Scholar
Bayer, A. W.
1938. An account of the plant ecology of the coast-belt and midlands of Zululand. Ann. Natal Mus.8
: 371–455.Google Scholar
Bell, H. M.
, andE. J. Dyksterhuis
. 1943. Fighting the mesquite and cedar invasion on Texas ranges. Soil Cons.9
: 111–114.Google Scholar
. 1941. The mesquites and screwbeans of the United States. Am. Jour. Bot.28
: 748–754.CrossRefGoogle Scholar
Bentley, H. L. 1898. Grasses and forage plants of Central Texas. U. S. Dept. Agr., Div. Agros. Bull. 10.
Bews, J. W.
1912. The vegetation of Natal. Ann. Natal Mus.2
: 253–331.Google Scholar
Bogusch, E. R.
1950. A bibliography on mesquite. Texas Jour. Sci.2
: 528–538.Google Scholar
————— 1951. Climatic limits affecting distribution of mesquite (Prosopis juliflora
) in Texas. Texas Jour. Sci.3
: 554–558.Google Scholar
————— 1952. Brush invasion in the Rio Grande plain of Texas. Texas Jour. Sci.4
: 85–91.Google Scholar
1820. On the prairies and barrens of the West. Am. Jour. Sci.2
: 30–34.Google Scholar
Bowman, I. 1914. Forest Physiography—Physiography of the United States and principles of soils in relation to forestry.
Bracht, Viktor. 1848. Texas im Jahre 1848. [Trans. from the German by C. F. Schmidt]. 1931.
Branscomb, B. L. 1956. Shrub invasion of a southern New Mexico desert grassland range. M. S. Thesis, Univ. Ariz. 43 pp.
Bray, W. L.
1901. The ecological relations of the vegetation of western Texas. Bot. Gaz.32
: 99–123, 195–217, 262–291.CrossRefGoogle Scholar
-----. 1904a. Forest resources of Texas. U. S. Dept. Agr., For. Bull. 47. 71 pp.
-----. 1904b. The timber of the Edwards Plateau of Texas; its relation to climate, water supply, and soil. U. S. Bur. For., Bull. 49.
-----. 1906. Distribution and adaptation of the vegetation of Texas. Bull. Univ. Tex. 82, Sci. Ser. 10.
Brown, A. L.
1950. Shrub invasion of southern Arizona desert grassland. Jour. Range Mgt.3
: 172–177.CrossRefGoogle Scholar
Browne, J. Ross
1950. A tour through Arizona, 1864 or, adventures in the Apache country. Arizona Silhouettes, Tucson, Arizona.Google Scholar
. 1925. Date of channel trenching (arroyo cutting) in the arid Southwest. Science (n.s.)62
: 338–344.CrossRefGoogle Scholar
Buechner, H. K.
1944. The range vegetation of Kerr County, Texas, in relation to livestock and white-tailed deer. Am. Mid. Nat.31
: 698–743.CrossRefGoogle Scholar
1908. Die Periodischen Grasbrände im tropischen Afrika, ihr Einfluss auf die Vegetation und ihre Bedeuting für Landeskultur. Mitt deutsch. Schutzgebieten2
: 113–139. 21, H. 2.Google Scholar
Campbell, R. S.
1929. Vegetative succession in the Prosopis sand dunes of southern New Mexico. Ecology10
: 392–398.CrossRefGoogle Scholar
————— andE. H. Bomberger
. 1934. The occurrence ofGutierrezia sarothrae
ranges in southern New Mexico. Ecology15
: 49–61.CrossRefGoogle Scholar
Castaneda, Pedrode. 1907. Account of the expedition to Cibola.In: Hodge, F. W., [ed]. Spanish explorers in the southern United States, 1528–1543.
Catlin, George. 1926. North American Indians; their manners, customs and conditions ... 1832–1839. [Assembled by John Grant]. Vol. 2.
1892. Why are the prairies treeless? Proc. Royal Geog. Soc. & Mont. Rec. Geog.14
: 78–100.CrossRefGoogle Scholar
Clarke, A. B. 1852. Travels in Mexico and California.
Clements, F. E. 1920. Plant indicators. The relation of plant communities to process and practice. Carnegie Inst. Wash.
————— 1934. The relict method in dynamic ecology. Jour Ecol.22
: 39–68.CrossRefGoogle Scholar
----- andV. E. Shelford. 1939. Bio-ecology.
Cook, O. F. 1908. Change of vegetation on the south Texas prairies. U. S. Dept. Agr., Bur. Plant Ind., Cir. 14.
Cooke, P. St. George. 1938. Journal of the march of the Mormon Battalion, 1846–47.In: Bieber, R. P. and A. B. Bender. [editors]. Exploring Southwestern Trails 1846–54. Southwest Historical Ser., Vol. 7.
Cooper, W. S. 1922. The broad-sclerophyll vegetation of California. Carnegie Inst. Wash., Pub. 319
Cox, Wm. T.
1936. Do droughts explain the prairies? Am. For.42
: 556–557.Google Scholar
Cully, Matt. 1952. The Santa Rita Experimental Range. Southwest. For. & Range Exp. Sta. 8 pp. [mimeo.]
Dameron, W. H. 1939. Prickly pear eradication and control. Texas Agr. Ex. Sta., Bull. 575.
Dana, J. D.
1865. On the origin of prairies. Am. Jour. Sci. & Arts. II.40
: 293–304.Google Scholar
Darrow, R. A.
1944. Arizona range resources and their utilization. I. Cochise County. Univ. Ariz. Agr. Exp. Sta., Tech. Bull.103
: 311–366. Map.Google Scholar
Dorroh, J. H. Jr. 1946. Certain hydrologic and climatic characteristics of the Southwest. Univ. New Mex., Pub. Eng. 1.
Emory, W. H. 1848. Notes of a military reconnaissance from Ft. Leavenworth in Missouri, to San Diego, in California. Senate Ex. Doc. No. 41, 30th Cong., 1st Session.
Fisher, C. E. 1947. Present information on the mesquite problem. Texas Agr. Expt. Stat., Prog. Rep. 1056. [Processed].
Foreman, Grant. 1939. Marcy and the goldseekers.
Foster, J. H.
1917. The spread of timbered areas in central Texas. Jour. For.15
: 442–445.Google Scholar
-----,H. B. Krausz, andA. H. Leidigh. 1917. General survey of Texas woodlands, including a study of the commercial possibilities of mesquite. A. and M. Coll. Texas, Bull. 3.
Froebel, Julius. 1859. Seven years travel in Central America, northern Mexico and the far west of the United States.
Galpin, E. E. 1926. Botanical survey of the Springbok Flats. Bot. Survey Mem. No. 12. Union So. Afr. Govt.
Gardner, J. L.
1951. Vegetation of the creosotebush area of the Rio Grande Valley in New Mexico. Ecol. Mon.21
: 379–403.CrossRefGoogle Scholar
Gleason, H. A.
1922. The vegetational history of the middle west. Ann. Assoc. Am. Geog.12
: 39–85.CrossRefGoogle Scholar
Glendening, G. E.
, andH. A. Paulsen
, Jr. 1950. Recovery and viability of mesquite seeds fed to sheep receiving 2, 4-D in drinking water. Bot. Gaz.111
: 486–491.CrossRefGoogle Scholar
————— 1952. Some quantitative data on the increase of mesquite and cactus on a desert grassland range in southern Arizona. Ecology33
: 319–328.CrossRefGoogle Scholar
----- andH. A. Paulsen, Jr. 1955. Reproduction and establishment of velvet mesquite as related to invasion of semidesert grasslands. U. S. Dept. Agr., Tech. Bull. 1127.
Gray, A. B. 1856. Survey of a route for the Southern Pacific Railroad on the 32nd parallel for the Texas Western R. R. Co.
Gregg, Josiah. 1844. Commerce of the prairies: or, The journal of a Santa Fe trader.
Griffith, David. 1910. A protected stock range in Arizona. U. S. Dept. Agri., Plant Ind., Bull. 177. 28 pp.
Hanson, H. C.
1939. Fire in land use and management. Amer. Midl. Nat.21
: 415–434.CrossRefGoogle Scholar
. 1935. Early history of the cattle industry in Arizona. Ariz. Hist. Rev.6
: 3–42.Google Scholar
Henkel, J. S.
1928. The relation of vegetation to water supply in South Rhodesia. So. Afr. Jour. Sci.25
: 38–51.Google Scholar
Hill, R. R.
1928. The war against the desert. Jour. For.26
: 91–93.Google Scholar
Hinton, Richard J. 1878. The handbook to Arizona.
. 1941. Mesquite eradication research at Texas Tech. Sheep and Goat Raiser22
: 24.Google Scholar
Humphrey, R. R.
1949. Fire as a means of controlling velvet mesquite, burroweed and cholla on southern Arizona ranges. Jour. Range Mgt.2
: 173–182.Google Scholar
————— 1953. The desert grassland, past and present. Jour. Range Mgt.6
: 159–164.CrossRefGoogle Scholar
International Boundary Commission (U. S. & Mexico). 1899. Report of the Boundary Commission upon the survey and re-marking of the boundary between the United States and Mexico west of the Rio Grande; 1891–1896.
Jaeger, F. 1911. Das Hoekland der Reisenkrater. Mitt. II. d. deutsch. Schultzgeb. Erganz 5.
Jardine, J. T., andC. L. Forsling. 1922. Range and cattle management during drought. U. S. Dept. Agr., Bull. 1031.
Jepson, W. L. 1910. The silva of California.
Johnson, R. H. 1931. The natural regions of Texas. Univ. Texas, Bull. 3113.
Kearney, T. H. andR. H. Peebles. 1951. Arizona flora.
Kendall, Geo. W. 1856. A narrative of the Texan Santa Fe expedition. Vol I. 7th Ed.
Kolbe, Peter. 1727. Beschrijving Van de Kaap de Goede Hoop.
Lutz, H. J. 1934. Ecological relations in the pitch pine barrens of southern New Jersey. Yale Univ., School For., Bull. 38. 80 pp. Illus.
Malin, J. C.
1953. Soil, animal and plant relations of the grassland, historically reconsidered. Sci. Mo.76
: 207–220.Google Scholar
Marcy, R. B. 1866. Thirty years of life on the border.
Mehrhoff, L. A., Jr. 1955. Vegetation changes on a southern Arizona grassland range—An analysis of causes. M. S. thesis, Univ. Ariz. 48 pp. [Processed].
Michaux, F. A. 1805. Travels to the West of the Alleghany Mountains, etc.In: Thwaites, R. G. (Ed.) 1909. Early western travels 1748–1846. Vol. III.
Norris, J. J. 1950 The effect of rodents, rabbits and cattle on two vegetation types in semidesert range land. New Mex. Agr. Exp. Sta., Bull. 353.
Nunez, Cabeza de Vaca. 1905. The journey of Alvar Nuñez Cabeza de Vaca and his companions from Florida to the Pacific. 1528–1536. [Edited with an introduction by A. F. Bandelier].
Obst, C. K. 1923. Das abflusslose Rumpfschollenland im Nordostlichen Deutsch-Ost-Afrika. Teil II, Mitt. Geogr. Ges., 35.
Parke, J. G. 1857. Report of explorations for railroad routes. Pacific Railroad Report Vol. 7 Part 1 of general report. Sen. Ex. Doc. No. 78. 33rd Cong. 2nd Sess.
Parker, K. W. 1938. Effect of jackrabbits on the rate of recovery of deteriorated rangeland. New Mex. Agr. Exp. Stat., Press Bull. 839. 3 pp. [mimeo].
-----. andS. C. Martin. 1952. The mesquite problem on southern Arizona ranges. U. S. Dept., Cir. 908.
Parry, C. C. 1859.In: Emory, W. H., Report of the United States and Mexican Boundary survey. House Exec. Doc. No. 135. Vol. 2, Pt. 1.
Phillips, J. F. V.
, Lamk. A contribtion to its ecology. So. Afr. Jour. Sci.23
: 435–454.Google Scholar
————— 1930. Fire: its influence on biotic communities and physical factors in south and east Africa. So. Afr. Jour. Sci.27
: 352–367.Google Scholar
————— 1931. A sketch of the floral regions of Tanganyika Territory. Trans. Roy. Soc. So. Afr.19
: 363–372.Google Scholar
————— 1935a. Some problems presented by South African grasses and grass communities. Jour. So. Afr. Bot.1
: 47–63.Google Scholar
————— 1935b. Succession, development, the climax and the complex organism: an analysis of concepts. Jour. Ecol.23
: 210–246.CrossRefGoogle Scholar
Price, W. A.
, andG. Gunter
. 1942. Certain recent geological and biological changes in south Texas, with consideration of probable causes. Proc. & Trans. Tex. Acad. Sci.26
: 138–156.Google Scholar
Reynolds, H. G.
, andG. E. Glendening
. 1949. Merriam kangaroo rat a factor in mesquite propagation on southern Arizona range lands. Jour. Range Mgt.2
: 193–197.CrossRefGoogle Scholar
————— 1950. Relation of kangaroo rats to range vegetation in southern Arizona. Ecology31
: 456–463.CrossRefGoogle Scholar
————— andJ. W. Bohning
. 1956. Effects of burning on a desert grass-shrub range in southern Arizona. Ecology37
: 769–777.CrossRefGoogle Scholar
Sampson, H. C.
1921. An ecological survey of the prairie vegetation of Illinois. Ill. Dept. Reg. & Educ., Div. Nat. Hist., Bull.13
(16): 523–577.Google Scholar
Sauer, C. O.
1950. Grassland climax, fire, and man. Jour. Range Mgt.3
: 16–21.CrossRefGoogle Scholar
Schaffner, J. H. 1926. Observations on the grasslands of the Central United States. Ohio State Univ. Studies No. 178.
1927. The Pampa—A natural or culturally induced grassland? Univ. Calif., Pub. in Geog.2
: 255–270.Google Scholar
Schulman, Edmund. 1945. Tree-ring hydrology of the Colorado River Basin. Univ. Ariz., Lab. Tree-ring Res., Bull. 2.
-----. 1955. Unpublished data on tree-ring indices in the southwest.
-----. 1956. Dendroclimatic changes in semi-arid America.
Shantz, H. L. 1911. Natural vegetation as an indicator of the capabilities of land for crop production in the Great Plains area. U. S. Dept. Agr., Bur. Plant Ind., Bull. 201.
----- andRaphaei Zon. 1924. Atlas of American Agriculture. Natural vegetation.
1911. The prairies. Iowa State Univ., Bull. [New Series]35
: 169–240.Google Scholar
Show, S. B., andE. I. Kotok. 1929. Cover type and fire control in the national forests of northern California. United States Department of Agriculture. Bull. 1945.
. 1917. A map of the vegetation of the United States. Geog. Rev.3
: 119–125. Map.CrossRefGoogle Scholar
-----. 1951. Vegetation of the Sonoran Desert. Carnegie Inst. Wash., Pub. 591.
Smith, H. V. 1956. The climate of Arizona. Ariz. Agr. Exp. Sta., Bull. 279.
Smith, J. G. 1899. Grazing problems in the southwest and how to meet them. United States Department of Agriculture Div. Agros., Bull. 16.
Staples, R. R. 1930. Studies in veld management. Union So. Afr., Dept. Agr., Sci. Bull. 91.
Stewart, O. C.
1951. Burning and natural vegetation in the United States. Geog. Rev.41
: 317–320.CrossRefGoogle Scholar
————— 1953. Why the great plains are treeless. Colo. Quart.2
: 40–50.Google Scholar
-----. 1954. The forgotten side of ethno-geography. Reprint from method and perspective in Anthropology. pp. 221–310. Univ. Minn. Press.
————— 1955a. Forest and grass burning in the mountain west. Southwestern Lore21
: 5–8.Google Scholar
————— 1955b. Why were the prairies treeless? Southwestern Lore20
: 59–64.Google Scholar
Taylor, W. P.
1934. Significance of extreme or intermittent conditions in distribution of species and management of natural resources, with a restatement of Liebig’s law of minimum. Ecology15
: 374–379.CrossRefGoogle Scholar
Tharp, B. C. 1952. Texas range grasses.
Thompson, J. W. 1942. A history of livestock raising in the United States, 1607–1860. United States Department of Agriculture, Agr. Hist. Ser. 5.
Thornber, J. J. 1907. Ariz. Agr. Exp. Sta., 18th Ann. Rep.
-----. 1910. The grazing ranges of Arizona. Ariz. Agr. Exp. Sta., Bull. 65.
Timmons, F. L.
1942. The dissemination of prickly pear seed by jackrabbits. Jour. Am. Soc. Agron.34
: 513–520.Google Scholar
U. S. Congress. 1850. Senate Ex. Doc. No. 64, 31st Cong., 1st Session. [Includes R. B. Marcy’s route from Fort Smith to Santa Fe, the report of Lieut. J. H. Simpson of an expedition into the Navajo Country, and the report of W. H. C. Whiting’s reconnaissances of the Western Frontier of Texas].
U. S. Dept. Agriculture. 1941. Climate and man. Yearbook of agriculture.
U. S. Forest Service. 1952. Annual report of the Southwestern Forest and Range Experiment Station; Calendar year 1952. [Mimeo].
Upson, Arthur, W. J. Cribbs, andE. B. Stanley. 1937. Occurrence of shrubs on range areas in southeastern Arizona. A condensed report of the results of a cooperative survey by the Ariz. Agr. Expt. Sta., SW Forest and Range Expt. Sta., Agr. Adjustment Administ. and Bureau of Agr. Econ. Issued by Ariz. Agr. Expt. Sta. March 1953.
Vorhies, C. T., andW. P. Taylor. 1933. Life history and ecology of jackrabbits,Lepus alleni andLepus californicus, ssp. in relation to grazing in Arizona. Ariz. Agr. Exp. Sta., Tech. Bull. 49.
Wagoner, J. J. 1952. History of the cattle industry in southern Arizona. Univ. Ariz., Soc. Sci. Bull. 20.
Weaver, J. E., and F. E. Clements. 1929. Plant ecology.
Webster’s Unabridged Dictionary. Second Ed. 1954.
Wells, R. W.
1819. On the origin of prairies. Am. Jour. Sci.1
: 331–336.Google Scholar
West, O. 1951. The vegetation of Weenen County. Union So. Afr., Dept. Agr. Bot. Surv., Mem. 23.
Whitfield, C. J.
, andH. L. Anderson
. 1938. Secondary succession in the desert plains grassland. Ecology19
: 171–180.CrossRefGoogle Scholar
—————, andE. L. Beutner
. 1938. Natural vegetation in the desert plains grassland. Ecology19
: 26–37.CrossRefGoogle Scholar
Wislizenus, A. 1848. Memoir of a tour to northern Mexico, connected with Col. Doniphan’s expedition, in 1846 and 1847. Sen. Misc. Doc. No. 26, 30th Cong., 1st Sess.
Wooton, E. O. 1915. Factors affecting range management in New Mexico. United States Department of Agriculture Bull. 211.
-----. 1916. Carrying capacity of grazing ranges in southern Arizona. United States Department of Agriculture Bull. 367.
Young, V. A., F. R. Anderwald andW. G. McCully. 1948. Brush problems on Texas ranges. Tex. Agr. Exp., Stat., Misc. Pub. 21.