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Caption: Course Catalog - 1889-1890
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SPECIAL STUDIES. SPECIAL STUDIES. 59 Mine Surveying and Reconnoitering.—History, uses and adjustments of instruments; solar compass and various solar attachments; practical problems involving the running of surface lines and lines under ground; connecting of surface and underground surveys; practice of U. S. deputy surveyors. Details of mine surveys, setting of bench marks; lines through shafts, drifts, stopes, etc.; keeping of records, plans, etc. Surveys required to determine best locations for test borings, shafts, adits, etc.; methods of reconnoitering. Mining Engineering.—I. Attack Tools, implements, machinery, and explosives, with principles governing their use. Methods of boring, sinking, and driving through hard, soft, wet, dry, loose, or compact material. 2. Timbering.—Objects, methods, etc.; framing, fitting, bracing. 3. Transportation.—Underground haulage, hoisting, use of chutes; apparatus and appliances, cars, tracks, switches, cables, cages, motive power, connections; haulage in inclines, " man-engines," etc. • * 4. Drainage.—Pumps, pumping, sumps, ditches; drainage of working shafts and inclines. 5. Ventilation.—Means and appliances. Importance of subject; laws of various states.and countries. Discussion of fundamental principles and practical applications, with results. 6. Buildings and Machinery.—Hoisting apparatus, air compressors, power drills, etc. 7. Exploration.-To determine general character and extent of deposits in advance of development; methods and aims. 8. Development.—Blocking out of deposits to prove values of partly explored ground, and to prepare for further explorations. Exploitation.—Laying out work; winning of coal, ore, etc.; stoping, overhand and underhand; winzes and intermediate levels; economical handling of product. Methods to be employed under various conditions. Dislocations.—Faults, upthrows, downthrows, feeders, leaders, rolls, swells, etc. Means of overcoming difficulties. Dressing of Products.—Coal screening and washing; sampling and grading ore; assorting, crushing, spalling, cobbing, concentrating.
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