| | Report (issue) | 43 43 Idaho ----------------------------Montana Nevada ---------------------------New Mexico --------...-Nebraska -----------------------------Rocky Mountains --------------------------Mineral-resource studies...Geotechnical and geohydrological studies in Fairfax County, Virginia _________ _ Connecticut Valley Urban...l cooperators ----------~------------- State, county, and local cooperators ---------Other cooperators...onal offices _________________ --- _ Area and district offices ------------Earth Resources Observation | | | Journal (volume) | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. ...YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97 63, 159 Aluminum Reduction, Gooch's...118 Alabama Industrial and Scientific Amador Queen Mine, Cal..... ...... 263 Acetylene Gas, Conner's Pat... Doddridge's Pat...... 487 "Alabama, Johns Coal Mine. 74 Amalgamating Process, FischerAcetylene Gas, |
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