Report issued by the U.S. Bureau of Mines on experiments conducted to improve the cab conditions of freight engines. The temperature, gas content, and other properties are presented. This report includes tables, graphs, and illustrations.

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.

Text describes the area, climate, agriculture, and soils of Tarrant County, Texas.

Patent for a gate lock that automatically locks.

Volume provides a summary of the progress of each agricultural experiment station. Also includes statistics, discussions of foreign investigations, and selected studies.

Revised edition. "This bulletin explains the computation of rations for horses, suggests certain feed combinations which approximately meet the needs of horses under differing conditions, and reviews such factors of feeding as tend to make the horse more efficient." -- p. ii

Revised edition. "Fresh vegetables for an average family may be grown upon a large back yard or city lot.... Thousands of acres of idle land that may be used for gardens are still available within the boundaries of our large cities. Some of the problems that confront the city gardener are more difficult than those connected with the farm garden, and it is the object of this bulletin to discuss these problems from a practical standpoint." -- p. 2. Soil preparation, tools, seeding, watering, diseases and pests, and space issues are all discussed and brief descriptions of several vegetables are given.

Map displays soil types along with creeks, lakes, rivers, towns, churches, schools, aviation fields, roads, and railroads. Includes legend and symbols.

Map displays soil types along with creeks, rivers, locks and dams, levees, gravel pits, roads, bridges, ferries, railroads, airfields, towns, schools, orphans' homes, churches, and stores. Includes legend and symbols.

Text describes climate, agriculture, and soils of Dallas County, Texas.

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000

Revised edition. "Corn yields per acre in the United States could be doubled within a few years, and this could be accomplished without increase in work or expense.... The lines of improvement that will most easily and quickly double the present production per acre are as follow: (1) Improvement in the quality of seed planted; (2) improvement in the condition of the soil; (3) improvement in methods of cultivation." -- p. 3-4

Report discussing the Mexican bean beetle, which is the most serious insect enemy of beans in parts of the United States. Although it has long been present in the southwestern United States, it has recently spread to the Southeast and destroyed much of the bean crop there. This bulletin describes the beetle's life cycle and different control measures, including spraying and dusting with insecticides.

Report discussing the newly-discovered rosette disease of wheat, the cause of which is still unknown. Discussion includes the disease's geographic distribution, affected crops, symptoms, and methods of control.

"This bulletin is primarily a story of the organization and management of successful 80-acre farms in central Indiana and adjacent areas which are following the type of farming that prevails in that part of the country.... Some of the leading principles of good farm organization and management on 80-acre farms are illustrated by the facts brought out regarding what the successful farmers on 80-acre farms have accomplished, not in a single year but over a series of years. The bulletin sets before the 80-acre farmers who are following the prevailing type of farming standards which some farmers have reached and which are believed to be within the reach of a great many other 80-acre farmers in central Indiana and adjacent areas." -- p. ii

Report describing the types of wheat known as emmer and spelt, which are not widely grown in the United States and differ from other types of wheat in that most of the kernel is not removed from the chaff during threshing. The history, distribution, adaptation, varieties, culture, harvesting and threshing, and uses of both emmer and spelt are discussed.