INDEX. 207 



Page. 



Soil, affected by fires 25, 26 



clearings 26,38,121,122 



leeching, etc 133, 134 



described by river basins 69 



formation of 121 



natural fertility of 122, 133 



storage of water by the 31,134 



Solution of rocks, effects of 120 



Sourwood 105 



South Holston River 47 



South Carolina, resolution of legislature favoring reserve 176 



act consenting to national control of reserve 177 



Southern Appalachians, clearings and agriculture 25, 28 



climate , 143 



forests 45,69 



geology 113 



hydrography 123 



lumbering 24, 61 



movement for reserve in 157 



mountains in 16,20,114 



needs of 59 



region 17 



rivers 17 



scenery 19 



stream-flow 135 



water power 29, 38 



(See under above headings for details. ) 



Southern end of Appalachians 19 



topography and forests ^ . . 46, 54, .55 



Southern Red Oak. (See Oak). 



South fork of Holston River. (See Holston River. ) 



Spotted Oak. (See Oa/(-.) 



Springs 19,116,125,133 



Spruce, species, size, distribution, etc 94 



on Balsam and other mountains 48,49,52 



Staghorn Sumach. {See Sumaclt.) 



Standing Indian Peak 114 



State ownership of reserves 35 



States, action by, concerning proposed reserve 172 



common corner of Virginia, North Carolina, and Tennessee 47 



Staunton River, gaging station on 136 



Stone Mountains 47. 115 



Storage of water, aided by humus, forests, porous soil 25,31, 122, 131 



Stream conditions in 1900, 1901 137 



Stream-flow, about the Unakas 127 



affected by springs, seepage, fires, forests, clearings, etc 30, 



117, 122. 133, 134 



condition of, in 1900, 1901 137 



data of Geological Survey 137 



in mountains and plateaus 134, 135 



investigation of, scope 15 



measurement of 135 



modified by geological structure 138 



