. Relazione annuale del consiglio di amministrazione di Regents dello Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archivi; scoperte nel campo della scienza. La fio. 85.-George poco. Anche se questo è stato un periodo di grande aetivit}r da parte del gen- erale di governo, ai governi statali e provinciali non erano affatto quiescente. Un lavoro importante è stato svolto da T. C. Chamberlin in Wisconsin, J. W. Dawson in Nova Scotia, W. C. Kerr in North Carolina, Eugene A. Smith in Alabama, e J. D. Whitney in Cal se ornia. Vi sono stati inoltre organizzati a sec- ond geological survey of Pennsylvania, con J. P. Les

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. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fio. 85.—George Little. Although this was a period of great aetivit}r on the part of the Gen- eral Government, State and provincial governments were by no means quiescent. Important work was being done by T. C. Chamberlin in Wisconsin, J. W. Dawson in Nova Scotia, W. C. Kerr in North Carolina, Eugene A. Smith in Alabama, and J. D. Whitney in Cal if ornia. There were also organized a sec- ond geological survey of Pennsylvania, with J. P. Lesle}' at its head, and a geological and natural history survey of Minnesota, under N. H. Winchell. Both of these last- named organizations continued their work beyond the period of the limit set for this history. An attempt at establishing a geo- logical survey of Georgia in 187-A resulted in the appointment of George Little as State geologist and the subsequent issuance of two reports comprising altogether but 52 pages. In 1870 (?) John Murrish was appointed by Governor Lucius Fair- child, of Wisconsin, commissioner of the survey of the lead district of that State. Murrish was, according to his own statement, "a practical man" and had served an apprenticeship in the mines wVsrJonsin^870in °^ Cornwall, going through the regular course of prac- tical training for a miner's occupation and a miner's life. Under these conditions, it is perhaps scarcely just to compare his writings with those of men who have had better opportunities and training. Nevertheless, as he had to do with the survey of an important mining region, it is impossible to ignore the work here. Under the title of Report of the Geo- logical Survey of the Lead Regions, Mur- rish published his observations in the form of a pamphlet of 05 pages, in which he set forth his views of the various geolog- ical phenomena. He thought to have dis- covered that the lead-bearing fissures were grouped into ranges, the

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1840