California Mineral Production for 1919, with County Maps
Author : Walter Wadsworth Bradley
Publisher :
Page : 656 pages
File Size : 43,89 MB
Release : 1920
Category : Mines and mineral resources
ISBN :
Author : Walter Wadsworth Bradley
Publisher :
Page : 656 pages
File Size : 43,89 MB
Release : 1920
Category : Mines and mineral resources
ISBN :
Author :
Publisher :
Page : 650 pages
File Size : 41,48 MB
Release : 1918
Category : Geology
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 784 pages
File Size : 48,56 MB
Release : 1922
Category : Digital images
ISBN :
Author : California State Mining Bureau
Publisher :
Page : 196 pages
File Size : 29,16 MB
Release : 1915
Category : Mines and mineral resources
ISBN :
Author :
Publisher :
Page : 408 pages
File Size : 42,68 MB
Release : 2012
Category : Mineral industries
ISBN :
Author : Henry Heilbronner Symons
Publisher :
Page : 242 pages
File Size : 20,59 MB
Release : 1943
Category : Metals
ISBN :
Author : Alfred Herbert Ricketts
Publisher :
Page : 504 pages
File Size : 43,60 MB
Release : 1943
Category : Metals
ISBN :
Author : Walter Wadsworth Bradley
Publisher :
Page : 224 pages
File Size : 32,49 MB
Release : 1919
Category : Mines and mineral resources
ISBN :
Author :
Publisher :
Page : 392 pages
File Size : 22,25 MB
Release : 1919
Category : Engineering
ISBN :
Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Author :
Publisher :
Page : 1052 pages
File Size : 46,39 MB
Release : 1914
Category : Engineering
ISBN :