Professor I. C. WHITE, geologist, in Huntingdon county; address Morgantown, W. V.
Mr. E. V. D'Invilliers, geologist, in Centre county; 711 Walnut street, Philadelphia.
Mr. A. E. LEHMAN, geologist, in Cumberland and York counties; 711 Walnut street, Philadelphia.
Dr. H. MARTYN CHANCE, geologist, in Clearfield county; 2423 Fairmount Avenue, Philadelphia.
Professor E. W. CLAYPOLE, geologist, in Perry and Juniata counties; address in future, Akron, 0.
Mr. J. SUTTON WALL, M.E., Monongahela city, Pa.
Mr. A. S. MCCREATH, chemist; 223 Market street, Harrisburg.
Mr. LEO LESQUEREUX, fossil botanist; Columbus, Ohio.
Mr. E. B. HARDEN, topographer, in charge of illustrations for reports, and general correspondence
at head-quarters; 905 Walnut street, Philadelphia. |
Anthracite Survey.
Mr. CHAS. A. ASHBURNER, geologist, in charge of the Survey of the Anthracite coal fields;
headquarters, address 907 Walnut street, Philadelphia.
Mr. CHARLES B. SCOTT, assistant and secretary, Philadelphia office.
Mr. O. B. HARDEN, topographer and artist, Philadelphia office.
Mr. FRANK A. HILL, assistant geologist, in the Northern Coal Field; Scranton, Pa.
Mr. JOHN C. BRANNER, topographer, in the Northern Coal Field; Scranton, Pa.
Mr. T. J. WILLIAMS, assistant, in the Northern Coal Field; Scranton, Pa.
Mr. A. D. W. SMITH, aid, in the Northern Coal Field; Scranton Pa.
Mr. ARTHUR WINSLOW, assistant geologist, in the Eastern Middle Coal Field; Philadelphia office.
Mr. WILLIAM GRIFFITH, assistant, in the Eastern Middle Coal Field; Pittston, Pa.
Mr. BARD WELLS, assistant geologist, in the Western Middle Coal Field; Pottsville, Pa.
Mr. H. N. Sims, assistant, in the Western Middle Coal Field; Pottsville, Pa.
Mr. BAIRD HALBERSTADT, aid, in Western Middle Coal Field; Pottsville, Pa. |
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