128 INDEX TO YEAEBOOKS, 1901-1905. 



Road construction, suggestions, and educational work, 1903, 461-462. 

 force, convict, management, 1901, 323. 

 improved, need of constant attention, 1903, 462. 



improvement, futility of effort through local boards, remarks, 1903, 457. 

 legislation, review, 1901; 1901, 679. 



use of mineral oil, article by James W. Abbott, 1902, 439-454. 

 with oil, quantity of oil, 1902, 451^52. 

 improvements, recent legislative enactments, 1903, 457. 

 Inquiries, Public, Office, discussion of work, 1901, 99-101; 1903, 99-100. 

 information in bulletins, note, 1903, 462. 

 organization and duties, 1901, 12, 99-101, 613; 1902, 



664; 1903,512; 1904, 542; 1905, 567. 

 practical work other than sample roads, 1901, 101. 

 work, review by Secretary, 1901, 99-101; 1902, 117; 



1903, 99-100; 1904, 91-93. 

 See also Roads, Public, 

 special agents, remarks, 1902, 119. 

 labor, convict, efficiency and cost, 1901, 324. 

 laws and conditions in several States, 1903, 458-460. 



legislation and appropriations. State, summary by M. O. Eldridge, 1901, 679-680; 

 1903, 569-572; 1904, 610-612. 

 State, remarks, 1904, 92-93. 

 macadam, estimated cost of constructing in Ireland, 1901, 528. 

 making clays, study, remarks, 1904, 66. 

 material, cementing power, remarks, 1904, 67. 

 discussion, 1903, 460-461. 



laboratory, remarks, 1901, 101. t 



work, 1903, 58. 

 materials, laboratory tests, 1902, 78. 



testing, work of Bureau of Chemistry, remarks, 1904, 65-68. 

 preparation for oiling, 1902, 446. 



sand-clay, inferior mixing of sand and clay as cause of failure, 1903, 261, 262. 

 State, legislation, remarks, 1904, 92-93. 

 work, influence on character of convict, 1901, 326. 



insufficiency of resources of local governments, 1901, 410. 

 object lesson, cooperation, discussion, 1902, 117. 



Government cooperation, article by Martin Dodge, 1901, 

 409-414. 

 See also Highway. 

 Roads and rural population, discussion, 1903, 455. 

 Argentina, 1904, 281. 



Association, National, officers, 1901, 633; 1902, 686; 1904, 555. 

 clay and sand, hardening and binding by use of oil, 1902, 440. 

 construction, method and details of work at Jackson, Tenn., 1904, 330-332. 

 conventions, participation of Department, 1905, 111. 

 cost of construction, engineer's statemeiit for Minnesota County, 1903, 461 . 

 details of employment of convict labor in South, table, 1901, 320. 

 dirt, new method of keeping in order, 1904, 525. 

 engineers for building, note, 1904, 9. 

 experimental field work, '1905, 107. 

 good, remarks of governor of Mississippi on importance, 1901, 414. 



lasults at Jackson, Tenn., 1904, 339-340. 

 in France, remarks, 1901, 431. 



the Philippines, inadequacy, 1901, 520. 

 legislation and improvement, progress, by States, 1901, 679-680; 1902, 734; 



1903, 569-572; 1904, 610-612; 1905, 624r-627. 

 locating at Jackson, Tenn., 1904, 328. 

 macadam, in Mecklenburg County, N. C, 1901, 331. 

 maintenahce, 1904, 338-389. 



material, physical tests and binding quality, 1904, 332. 

 mountain, as a source of revenue, article by James W. Abbott, 1901, 527-540. 



of Europe, remarks, 1901, 532. 

 North Carolina law for employment of prisoners, 1901, 322. 

 object lesson, building in 1900 and 1901, 1901, 413. 

 construction, notes, 1904, 92. 

 discussion, 1905, 105-107. 

 remarks of Secretary, 1901, 100. 



