ACKNOWLEDGMENT OF ILLUSTRATIONS V 



Howell, Washington, D. C., 288 and 289. 



Los Angeles Times, 246. 



Professor McAdie, Blue Hill Observatory, Milton, Mass., 

 126, 127, 164. 



Mt. Wilson Solar Observatory, Mt. Wilson, Cal., 1, 2, 3, 4, 12. 



C. C. Pierce & Co., Los Angeles, 63, 69, 70, 71, 82, 95, 96, 99, 

 101, 102, 103, 105, 106, 182, 191, 199, 200, 201, 202, 204, 206, 

 210, 221, 223, 236, 237, 238, 248, 250, 252, 257, 258, 261, 315, 

 316, 330, 345, 348, 395, 397, 398, 403, 404, 412, 414, 421, 427, 

 434, 450, 451. 



Putnam and Valentine, Los Angeles, 146, 176, 243, 245, 278, 

 333, 366, 371, 410, 413, 440, 442. 



Salt Lake Ry., 323. 



San Francisco Board of Trade, 308, 309. 



Miss Alice M. Sinclair, Manual Arts High School, Los 

 Angeles, 169, 170. 



Southern Pacific Ry., 335. 



Chas. S. Thompson, San Pedro High School, Los Angeles, 

 186, 252, 260. 



H. C. Tracy, Hollywood High School, Cal., 433. 



Underwood and Underwood, New York City, 86, 445. 



C. J. Van Vliet, Los Angeles, 59. 



U. S. Department of Agriculture, 218, 219, 405. 



U. S. Bureau of Forestry, 262, 263, 264, 265, 266, 326. 



U. S. Bureau of Soils, 93, 94, 95, 104, 159, 175, 198, 317, 387. 



U. S. Weather Bureau, 171, 172, 173. 



U. S. Geological Survey, 76, 77, 81, 84, 85, 92, 98, 100, 104, 

 163, 313, 325, 327, 328, 334, 337, 338, 339, 340, 356, 357, 370, 

 373, 375, 376, 380, 391, 401, 402, 415, 425, 426, 436, 449, 450. 



Allen Watson, Washington, D. C., 13, 285. 



Rev. C. D. Williams, Los Angeles, Frontispiece. 



