INDEX 



423 



Bureau of Soils, 

 aeries, soil 



Tifton, 90 

 Trinity, 99 

 Tripp, 104 

 Trumbull, 88 

 Union, 88 

 Upshur, 82 

 Uvaldc, !!) 

 Valentine, 102 

 Vergennes, 91 

 Vernon, 102 

 Victoria, 90 

 Volusia, 8S 

 Wabash, !)!) 

 Wade, 104 

 Walla Walla, 105 

 Waukesha, 91 

 Waverly, 100 

 Webb, 90 



Westmoreland, 82 

 Whatcom, 110 

 Wheeling, 100 

 Williams, 8.8 

 Willows, 110 

 Wilson, 06 

 Winchester, 105 

 Wooster, 88 

 Yakima, 10(5 

 Yaxoo, 100 

 Volo, 110 

 York, 81 

 Yuma, 107 

 Zapata, 103 



Calcareous rocks, clialk, 7iiarl, 8 

 ('alette, calcium carbonate, 5 

 Calcium carl>onatc, caleite, 5 



carried by Thames River, 23 

 concretions, 02 

 cyan a in id, 400 



magnesium carbonate, dolo- 

 mite, 5 



sul fate, gypsum, 5 

 Call, L. K., methods of preparing 



land for wheat, 347 

 Campbell, II. W., pioneer in dry 



farming, 247 



subsurface packer, 247, 337 

 Canals, loss of water from, 2(50 

 Capillarity, amount of water moved 



by, 210 

 Capillary lift of soil constituents, 



212 

 pull of soils, 211 



Capillary capacity or moisture-hold- 

 ing capacity of soils, 209 

 rise of water in glass tubes, 



height of, 199 



rapidity and height in dif- 

 ferent soils, 207 

 water as films or waists about 



particles, 200 

 in covered and uncovered 



soil, 204 



of soils, chapter on, 199 

 movement, affected by or- 

 ganic matter, 20(5-208 

 substances in solution, 205 

 temperature, 204 

 texture. 20(5 

 thickness of film, 203 

 viscosity, 204 

 use of, 212 

 Carbonated water, almost universal 



solvent, 20 

 Carbon dioxide 



aid in solution, 22 

 brought to earth in precipi- 

 tation, 20 



decomposition by, 20 

 in rain and snow water, 20 



soil air and atmosphere, 20 

 Catch and cover crops, 1(51 



aid in preventing erosion, 



3(52 



Cafes, J. S., and Cox, If. It., results 



of corn cultivation, 28 states, 353 



Caves, due to action of carbonated 



water, 22 



('enters of accumulation, Cordil- 

 lera n, Keewatin, Labra- 

 dorean, 45 

 map of, 47 



Centrifugal clutrialor, Yoder's, 128 

 method of physical analysis. 



Hureau of Soils, 127 

 Chains, for puddling mud of canals 



to prevent seepage. 207 

 Chalk, 8 

 Characteristics of water, physical. 



180 



Chemical agencies of weathering. 1!) 

 changes in soil, source of heat, 



294 



precipitates, 8 

 Chernozem soils, roots and humus 



in. 144 

 Chester. F. K.. effect of lime upon 



number of bacteria, 321 

 Chicago, Lake, 38 



