B19: 
380. 
381: 
382. 
383. 
384. 
385. 
386. 
387. 
388. 
389. 
390. 
in the Great Plains region of the United States. J. 
Geol. 62(4): 399-404. 
Leopold, Aldo, and Sara Elizabeth Jones. 1947. A 
phenological record for Sauk and Dane Counties, 
Wisconsin, 1935-1945. Ecol. Monographs 17: 
81-122. 
Lewis, James K., G. M. VanDyne, L. R. Albee, and 
F. W. Wetzal. 1956. Intensity of grazing: Its effect 
on livestock and forage production. S. Dak, Agr. 
Expt. Sta. Bull. 459. 44 p. 
Lindeman, R. L. 1941. The developmental history 
of Cedar Creek Bog, Minnesota. Amer. Midl. Nat. 
25: 101-112. 
Lindsey, Alton A. 1961. Vegetation of the 
drainage-aeration classes of the northern Indiana 
soils in 1930. Ecology 42: 432-436. 
—_—_——C—C William’ )=s £B. «ss Crankshaw, and 
Syed A. Qadir. 1965. Soil relations and distribu- 
tion of the vegetation of presettlement Indiina. 
Bot. Gaz. 126: 155-163. 
pot te , 7-0; Petty, DK. Sterling, and 
W. Van Arsdall. 1961. Vegetation and environ- 
ment along the Wabash and Tippecanoe Rivers. 
Ecol. Monographs 31: 105-156. 
Linnel, Lyle D. 1961. Soil-vegetation relationships 
on a chalk-flat range site in Gove County, Kansas. 
Trans. Kans. Acad. Sci. 64: 293-303. 
Lippert, Robert D., and Harold H. Hopkins. 1940. 
Study of-viable seeds in various habitats in mixed 
prairie. Trans. Kans. Acad. Sci. 53: 355-364. 
Livingston, B. E. 1902. The distribution of plant 
societies of Kent County, Michigan. Mich. Geol. 
Survey Rpt. 1901: 81-103. 
1903. The distribution of the 
upland societies of Kent County, Michigan. Bot. 
Gaz. 35: 36-55. 
1905. The relation of soils to 
natural vegetation in Roscommon and Crawford 
Counties, Michigan. Bot. Gaz. 39: 22-41. 
Loomis, W. E., and A. L. McComb. 1944. Recent 
advances of the forest in Iowa. Proc. Iowa Acad. 
16 
391. 
S92: 
393. 
394. 
395. 
396. 
397. 
398. 
399. 
400. 
401. 
402. 
403. 
Sci. 51: 217-224. 
Lueders, H. F. 1895. Vegetation of the Town 
Prairie du Sac. Trans. Wis. Acad. Sci. 10: 510-524. 
Lunsford, L.C. 1963. Comparison of soils and 
vegetation on five undisturbed limy upland range 
sites in Ellis County, Kansas. M.S. Thesis. Ft. 
Hays, Kans., State Col. 
MacMillan, C. 1897. Observations on the distribu- 
tion of plants along shore at Lake of the Woods. 
Minn. Bot. Studies 1: 949-1023. 
Maissurow, D. K. 1941. The role of fire in the 
perpetuation of virgin forests of northern 
Wisconsin. J. Forestry 39: 201-207. 
Manning, Winston M., and Richard E. Juday. 
1941. The chlorophyll content and productivity of 
some lakes in northeastern Wisconsin. Trans. Wis. 
Acad. Sci. 33: 363-393. 
Markle, M.S. 1915. The phytoecology of peat 
bogs near Richmond, Indiana. Proc. Ind. Acad. 
Sci. »p. 359-375, 
Marks, John B. 1942. Land use and plant succes- 
sion in Coon Valley, Wisconsin. Ecol. Monographs 
12:413-133, 
Marshall, Ruth. 1910. The vegetation of Twin 
Island. Trans. Wis. Acad Sci. 16: 773-797. 
Martin, S.C. 1955. Range problems in the 
Missouri Ozarks. Central States Forest Expt. Sta. 
Misc. Paper 9. 33 p. 
—__ ~—S_ and' J..S., Crosby.:1955:Buim= 
ing and grazing on glade range in Missouri. Central 
States Forest Expt. Sta. Tech. Paper 147. 13 p. 
Maycock, Paul F. 1961. The spruce-fir forests of 
Keweenaw Peninsula, Northern Michigan. Ecology 
42: 357-365. 
+ and. 5. T-, Curtis e960 seihe 
phytosociology of boreal-conifer hardwood forest 
of the Great Lakes region. Ecol. Monographs 30: 
1-35. 
McAndrews, J.H. 1966. Postglacial history of 
prairie, savanna, and forest in northwestern 
