๐”– Bobbio Scriptorium
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Notes from Boulder County, Colorado

โœ Scribed by N. deW. Betts


Book ID
123901005
Publisher
University of California Press
Year
1910
Tongue
English
Weight
136 KB
Volume
27
Category
Article
ISSN
0004-8038

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๐Ÿ“œ SIMILAR VOLUMES


Notes from Boulder Co., Colorado
โœ Norman deW. Betts ๐Ÿ“‚ Article ๐Ÿ“… 1911 ๐Ÿ› University of California Press ๐ŸŒ English โš– 117 KB
Notes from Boulder County, Colo.
โœ Norman de W. Betts ๐Ÿ“‚ Article ๐Ÿ“… 1912 ๐Ÿ› University of California Press ๐ŸŒ English โš– 131 KB
Treatment of tungsten ores of boulder co
โœ J.P. Bonardi; J.C. Williams ๐Ÿ“‚ Article ๐Ÿ“… 1922 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 103 KB

UNTIL the end of 1918, Boulder County, Colorado, ranked as one of the principal tungsten-producing d~stricts of the world, but in August, 1919, there was practically no production, due to decline in demand, decrease in price, and large importations. The tungsten in this district occurs almost entire

Mesa County, Colorado, Notes
โœ Ada B. Copeland ๐Ÿ“‚ Article ๐Ÿ“… 1920 ๐Ÿ› University of California Press ๐ŸŒ English โš– 92 KB