EURAL ENGINEERING. 891 



and construction, and discusses the Important features of tlie design and con- 

 struction of wood, concrete, and steel bridges and culverts. 



Roads and road materials of Alabama, W. F, Peouty (Gcol. Purvey Ahi. 

 Bui. 11, 1911, pp. 1J,S, table 1, pis. 20, figs. 2).— This report gives the history of 

 roads in Alabama, the character and distribution of road-building material in 

 the State, results of tests by the Office of Public Roads of this Department on 

 rock samples,, and papers by state and county officials discussing construction of 

 macadam, gravel, chert, sand-clay and earth roads, dustless roads and bitumi- 

 nous binders, location and drainage of roads, and the use of wide tires on 

 vehicles. 



The road-building materials in the State are distributed in 3 general areas, 

 viz, the crystalline area in the east-central portion in which occur the "traps," 

 granites, syenites, gneisses, and schists; the paleozoic area in the north and 

 northeastern portions in which occur cherts, limestones, gravels, clays, shales, 

 and sands ; and the coastal plain area in the south and western portions in which 

 occur gravels, sands, clays, and calcium carbonates. 



Appendixes to this report include tables to be used in the construction of 

 roads and testing of materials, and a table of the road mileage and road cost 

 data in each county. Accompanying the report is a map of Alabama showing 

 the distribution of road material throughout the State. 



Biennial report of the highway commissioner [of Connecticut], 1907-8, 

 J. H. Macdonald {Bieii. Rpt. Highway Comr. Conn., 1907-8, pp. 283+90, pis. 21, 

 figs. 6). — This report covers road construction, improvement, and maintenance 

 in Connecticut, 1907-8, gives the total mileage and cost in each county, describes 

 the character of the work in each county, the contracts, and general road admin- 

 istration, and presents standard state road specifications and state road laws. 

 Accompanying this report is the state road map of Connecticut. 



Report of the Illinois Highway Commission, 1908-9, A. N. Johnson, T. R. 

 Ago, and C. Older (Rpt. III. Highway Com., 3 (1908-9), pp. 156, pis. 29, figs. 

 1-i). — In this report are chapters on earth road construction, various kinds of 

 macadam road construction, and the design and construction of steel and con- 

 crete highway bridges in Illinois in 190S-9, with data on costs and amounts 

 spent on roads and bridges in the State, approximating $6, 000,000 per year. 

 Included in this report is a report from the attorney general's office containing 

 various opinions on road matters. 



Sixth annual report of the commissioner of highways for the State of 

 Maine, 1910, P. D. Sargent (Ann. Rpt. Comr. Highicays Mc, 6 (1910), pp. 157. 

 pis. 11, figs. 6). — This report covers the road administration and the contracts, 

 petitions, methods, and costs for road improvement and construction in Maine 

 in 1910. Tabular statements of the state road work are given by towns and 

 counties, including data on total length and width, drainage, method and 

 materials of construction, and costs. 



Report of the commissioner of public roads [in New Jersey], 1910, F. 

 GxLKYSON (Ann. Rpt. Comr. Pub. Roads {^\ J.], 17 (1910), pp. 177, pis. 19).— 

 This report covers the road construction and improvement in New Jersey in 

 1910, giving the methods of construction and repair and the total mileage and 

 cost in each county. The roads for the most part were built or repaired by 

 macadamizing or surfacing with gravel. 



Appendixes to this report are standard state specifications for stone and 

 gravel roads, a copy of the state road improvement law, and tables indicating 

 the number of tons of stone per mile required to build roads of designated 

 width and depth. Accompanying this report is the state road map. 



Surplus products of counties— Good roads and drainage (Missouri Red 

 Book, 1911, pts. 2-J,, pp. VI+283-560, pis. 19, figs. i4).— This publication gives a 

 large amount of statistical data on the surplus products of Missouri in 1910, 



