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Export and manufacturing tobacco districts of the United States (western section) to accompany bulletin prepared by E.H. Mathewson.

Map shows types of tobacco production for southern Kentucky, Tennessee, southern Indiana and Ohio, and western West Virginia; railroads, counties, cities, and towns. Includes legend and annual production statistics. Scale [ca. 1:895,000].
Date: 1912
Creator: Stevenson, J. H.
Object Type: Map
System: The Portal to Texas History
The Use of Permissible Explosives (open access)

The Use of Permissible Explosives

From Preface: "The present bulletin is printed as a supplement to Bulletin 17 and is intended primarily for coal miners, especially for those working in fields where inflammable gas or coal dust may cause disastrous mine explosions. The bulletin is issued by the Bureau of Mines in the hope that it may prove helpful in lessening accidents due to the use of explosives, and in particular may aid in preventing mine explosions, many of which have been caused by the use of improper explosives."
Date: 1912
Creator: Rutledge, J. J. & Hall, Clarence
Object Type: Report
System: The UNT Digital Library