326 INDEX 



Page 



Soldier creek, Webster county 88 



Solomon. F. A 23 



Solomon's seal 75, 99 



Some Geological Aspects of Conservation 270-6 



Somes, M. P 87 



Sondrol, (Mrs. ) Carrie P 99 



Sorrel 56, 57, 74 



Source of Water Supply of Clear Lake 101 



Southeastern Iowa 19 



South fork river 11, 113 



Southwestern Iowa 19 



Spanish bayonet 56 



See also yucca 



Spanish needle 167, 171 



Sparrow 252 



Spatter dock 80 



Specht's ferry, Dubuque county 80 



Spiderwort 100 



Spikenard 99 



Spillville, Winneshiek county 109 



Spirit lake, Dickinson county 28, 177. 210, 263. 274. 278 



Spirit Lake and the Okobojis 175-8 



Spleenwort 145 



Split Rock creek, Lyon county 136 



Spring beauty 42, 46, 54. 86, 143, 145, 155, 223, 225, 230 



Spring branch 46 



Spring Hollow, Linn county 96 



Spring Park, Mitchell county 143 



Spruce 171 



Spurge 56 



Spurrell, J*. A 233, 250 



Squaw creek, Boone county 115 



Squaw creek, Johnson county 241 



Squirrel 121 



Staff tree 54 



Standard, ( Gov. ) of Missouri 63 



State Parks and Public Welfare 205-7 



Steamboat Rock, Hardin county 19. 86, 111, 112, 114, 184, 203 



Stevens, T. C 253 



Stevenson, W. H 68 



Storm lake, Buena Vista county 19, 178. 274, 278 



Stone Park, Woodbury county 4 153 



Story county 121 



Strawberry 75, 89, 99 



Strawberry Point, Clayton county 45, 51 



Stump House, Van Buren county 64 



Sugar creek, Mitchell county 143 



Sumach 42, 46, 54, 57, 65. 74. 89, 100, 120, 145, 166, 288 



Sun flower 56. 57, 143, 167, 283, 288 



Supplementary report of the Devil's Backbone 45-7 



Sunset from Pilot Knob 124-5 



Swan 248, 250, 252 



Swan lake, Dickinson county 177 



Swamp oak 67, 74, 80 



Sweet cicely 89 



Sweetland, Muscatine county 75 



Sweetland creek, Muscatine county 114 



Sweet William 46, 56, 75, 80. 89. 100. 118, 155, 167 



Switch grass 57, 79 



Sycamore 42, 65, 67, 74, 80, 152, 159, 166 



Tabor, Fremont county 54, 58 



Tama, Tama county 24 



Tamarack 171 



Taylor, (Mrs.) H. J 27, 221 



Teal 247, 252 



Tern 156 



Tete des Morts, Jackson county 146 



Tete des Morts and Vicinity 146-7 



Tete des Morts creek. Jackson county 146 



Thistle 56. 100 



Thompson, (Mrs.) Burt J 283 



Thorn apple 99 



Thornton, Cerro Gordo county 170 



Tickle grass 57, 79 



Tick trefoil 75. 89, 166, 167 



Topography of Boone county 115 



Topography of Morehead Caves Area 78 



Touch-me-not 99. 155 



Touring in Iowa's Nooks and Corners 267-70 



Tracy, Marion county 150, 159 



Trenton limestone 104 



