MILLS IN OHIO. Golding Sons Co., East Liverpool. Potter's Mining & Milling Co., East Liverpool. This company grinds pegmatite from various districts in the United States. MILLS IN WEST VIRGINIA. The Newell Mining & Milling Co., Newell. This company grinds pegmatite from various districts in the United States. MILLS IN TENNESSEE. The Clinchfield Mining & Milling Co., Johnson City. This company grinds pegmatite from Mitchel and Yancey Counties, N. C. LIST OF FELDSPAR GRINDING MILLS. The following list is based upon the fullest information obtainable but is not guaranteed to be complete. FELDSPAR MILLS IN MAINE. Maine Feldspar Co., Littlefield Station, Androscoggin County. Maine Feldspar Co., Topsham, Sagadahoc County. Trenton Flint & Spar Co., Cathance, Sagadahoc County. These companies grind pegmatite from local quarries for use in making pottery. FELDSPAR MILLS IN CONNECTICUT. L. W. Howe, South Glastonbury, Hartford County. The Wiarda Co., South Glastonbury, Hartford County. These companies grind pegmatite from local quarries for use in making pottery, glass, and enamel. The White Rocks Co., Middletown, Middlesex County. This company crushes pegmatite from local quarries for roofing gravel, poultry grit, and concrete, but makes no pottery material. FELDSPAR MILLS IN NEW YORK. Crown Point Feldspar Co., Crown Point, Essex County. Barrett Mfg. Co., Ticonderoga, Essex County. These companies crush pegmatite from local quarries for use as roofing material, poultry grit, and stucco facing, but produce no pottery material. Bedford Feldspar Co., Bedford Village, Westchester County. P. H. Kinkel Sons, Bedford Village, Westchester County. These companies grind pegmatite from local quarries for use in making pottery, glass, and enamel. Pennsylvania Feldspar Co., Barnards, Monroe County. This company grinds Canadian feldspar, chiefly for pottery purposes. The mill was destroyed by fire in December, 1914, but is being rebuilt. Golding Sons Co., Trenton. MILLS IN NEW JERSEY. Eureka Flint and Spar Co., Trenton. Both of these companies grind pegmatite from various districts in the United States. Golding Sons Co., Wilmington. MILLS IN DELAWARE. This company grinds pegmatite from various producing districts in the United States. MILLS IN PENNSYLVANIA. Brandywine Summit Kaolin and Feldspar Co., Brandywine-Summit, Chester County. This company grinds soda and potash pegmatite from local quarries. This company grinds Canadian feldspar and Pennsylvania pegmatite. MILLS IN OHIO. Golding Sons Co., East Liverpool. Potter's Mining & Milling Co., East Liverpool. This company grinds pegmatite from various districts in the United States. MILLS IN WEST VIRGINIA. The Newell Mining & Milling Co., Newell. This company grinds pegmatite from various districts in the United States. MILLS IN TENNESSEE. The Clinchfield Mining & Milling Co., Johnson City. This company grinds pegmatite from Mitchel and Yancey Counties, N. C. PUBLICATIONS ON MINERAL TECHNOLOGY. A limited supply of the following publications of the Bureau of Mines is temporarily available for free distribution. Requests for all publications can not be granted, and to insure equitable distribution applicants are requested to limit their selection to publications that may be of especial interest to them. Requests for publications should be addressed to the Director, Bureau of Mines. BULLETIN 3. The coke industry of the United States as related to the foundry, by Richard Moldenke. 1910. 32 pp. BULLETIN 16. The uses of peat for fuel and other purposes, by C. A. Davis. 1911. 214 pp., 1 pl., 1 fig. BULLETIN 42. The sampling and examination of mine gases and natural gas, by G. A. Burrell and F. M. Seibert. 1913. 116 pp., 2 pls., 23 figs. BULLETIN 45. Sand available for filling mine workings in the Northern Anthracite Coal Basin of Pennsylvania, by N. H. Darton. 1913. 33 pp., 8 pls., 5 figs. BULLETIN 47. Notes on mineral wastes, by C. L. Parsons. 1912. 44 pp. BULLETIN 53. Mining and treatment of feldspar and kaolin in the southern Appalachian region, by A. S. Watts. 1913. 170 pp., 16 pls., 12 figs. BULLETIN 64. The titaniferous iron ores of the United States, their composition and economic value, by J. T. Singewald, jr. 1913. 145 pp., 16 pls., 3 figs. BULLETIN 71. Fuller's earth, by C. L. Parsons. 1913. 38 pp. BULLETIN 81. The smelting of copper ores in the electric furnace, by D. A. Lyon and R. M. Keeney. 1915. 80 pp., 6 figs. BULLETIN 84. Metallurgical smoke, by C. H. Fulton. 1915. 94 pp., 6 pls., 15 figs. BULLETIN 85. Analyses of mine and car samples of coal collected in the fiscal years 1911 to 1913, by A. C. Fieldner, H. I. Smith, A. H. Fay, and Samuel Sanford. 1914. 444 pp., 2 figs. TECHNICAL PAPER 3. Specifications for the purchase of fuel oil for the Government, with directions for sampling oil and natural gas, by I. C. Allen. 1911. 13 pp. TECHNICAL PAPER 8. Methods of analyzing coal and coke, by F. M. Stanton and A. C. Fieldner. 1913. 42 pp., 12 figs. TECHNICAL PAPER 14. Apparatus for gas-analysis laboratories at coal mines, by G. A. Burrell and F. M. Seibert. 1913. 24 pp., 7 figs. TECHNICAL PAPER 32. The cementing process of excluding water from oil wells, as practiced in California, by Ralph Arnold and V. R. Garfias. 1912. 12 pp., 1 fig. TECHNICAL PAPER 38. Wastes in the production and utilization of natural gas, and means for their prevention, by Ralph Arnold and F. G. Clapp. 1913. 29 pp. TECHNICAL PAPER 39. The inflammable gases in mine air, by G. A. Burrell and F. M. Seibert. 24 pp., 2 figs. TECHNICAL PAPER 41. Mining and treatment of lead and zinc ores in the Joplin district, Missouri, a preliminary report, by C. A. Wright. 1913. 43 pp., 5 figs. TECHNICAL PAPER 43. The influence of inert gases on inflammable gaseous mixtures, by J. K. Clement. 1913. 24 pp., 1 pl., 8 figs. TECHNICAL PAPER 50. Metallurgical coke, by A. W. Belden. 1913. 48 pp., 1 pl., 23 figs. TECHNICAL PAPER 66. Mud-laden fluid applied to well drilling, by J. A. Pollard and A. G. Heggem. 1914. 21 pp., 12 figs. TECHNICAL PAPER 68. Drilling wells in Oklahoma by the mud-laden fluid method, by A. G. Heggem and J. A. Pollard. 1914. 27 pp., 5 figs. TECHNICAL PAPER 70. Methods of oil recovery in California, by Ralph Arnold and V. R. Garfias. 1914. 57 pp., 7 figs. TECHNICAL PAPER 76. Notes on the sampling and analysis of coal, by A. C. Fieldner. 1914. 59 pp., 6 figs. TECHNICAL PAPER 81. The vapor pressure of arsenic trioxide, by H. V. Welch and L. H. Duschak. 1915. 21 pp., 3 pls., 2 figs. TECHNICAL PAPER 88. The radium-uranium ratio in carnotites, by S. C. Lind and C. F. Whittemore. 1915. 29 pp., 1 pl., 4 figs. TECHNICAL PAPER 95. Mining and milling of lead and zinc ores in the Wisconsin district, Wisconsin, by C. A. Wright. 1915. 39 pp., 2 pls., 5 figs. TECHNICAL PAPER 110. Monazite, thorium, and mesothorium, by K. L. Kithil. .1915. 32 pp., 1 fig. |