Call Number (LC) Title Results
C 22.3:297 Petroleum refinery statistics, 1927. 1
C22.3-297 Petroleum refinery statistics, 1927. 1
C 22.3:298 Methods, costs, and safety in stripping and mining coal, copper ore, iron ore, bauxite, and pebble phosphate
Methods, costs, and safety in stripping and mining coal, copper ore, iron ore, bauxite, and pebble phosphate. 		2
C22.3-298 Methods, costs, and safety in stripping and mining coal, copper ore, iron ore, bauxite, and pebble phosphate. 1
C 22.3:299 Metallurgical limestone problems in production and utilization.
Metallurgical limestone : problems in production and utilization. 		2
C22.3-299 Metallurgical limestone : problems in production and utilization. 1
C 22.3:300 Coal-washing investigations methods and tests.
Coal-washing investigations : methods and tests. 		2
C22.3-300 Coal-washing investigations : methods and tests. 1
C 22.3:301 Facts relating to production and substitution of manufactured gas for natural gas
Facts relating to production and substitution of manufactured gas for natural gas. 		2
C22.3-301 Facts relating to production and substitution of manufactured gas for natural gas. 1
C 22.3:302 Fuel-efficiency tests on batch oil stills
Fuel-efficiency tests on batch oil stills. 		2
C22.3-302 Fuel-efficiency tests on batch oil stills. 1
C 22.3:303 Tests of strength of roof supports used in anthracite mines of Pennsylvania
Tests of strength of roof supports used in anthracite mines of Pennsylvania. 		2
C22.3-303 Tests of strength of roof supports used in anthracite mines of Pennsylvania. 1
C 22.3:304 Ochers and mineral pigments of Pacific Northwest occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays.
Ochers and mineral pigments of Pacific Northwest : occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays. 		2
C22.3-304 Ochers and mineral pigments of Pacific Northwest : occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays. 1
C 22.3:305 Inspection and testing of mine-type electrical equipment for permissibility
Inspection and testing of mine-type electrical equipment for permissibility. 		2
C22.3-305 Inspection and testing of mine-type electrical equipment for permissibility. 1
C 22.3:306 Mining methods and practice in Michigan copper mines
Mining methods and practice in Michigan copper mines. 		2
C22.3-306 Mining methods and practice in Michigan copper mines. 1