Malachite from
Relief Shaft, Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA

	Calkins, F.C., Butler, B.S., Heikes, V.C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. Professional Paper 201. US Geological Survey doi:10.3133/pp201	Report (issue)
	GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH BY F. C. CALKINS AND B. S. BUTLER...details____ _____________ Quartz monzonite (Little Cottonwood stock)-___-_._____--___-_-___________ General...lime__----_____-------_----_____-__ Diorite of Big Cottonwood Creek_________ Lamprophyric dikes__.._---_----_-_-...69 69 69 69 69 70 70 70 70 70 70 71 History of mining, by V. C. Heikes.__________________ The first prospectors...Cotton wood area. _________ Regulations governing mining locations____________ Early shipments and experiments
	*(1911) Contributions to economic geology, 1910, Part I, Metals and nonmetals except fuels--Gold and Silver. Bulletin* Vol. 470 (470b) US Geological Survey doi:10.3133/b470b**	Report (issue)
	ever since. Besides the La Grange mine, the largest hydraulic mine now in active operation, it contains...mines, particularly in the northern portion of the county. Large bodies of gravel of lower grade yet remain... Murphy, of the Union Hill mine; Mr. Pierre Bouery, of the La Grange mine; Mr. W. D. Ayers, of Poker...Globe mine; but more particularly to Mr. H. L. Lowden, formerly county surveyor of Trinity County, who...the whole of Trinity County except the south end and also the part of Humboldt County about the Hoopa Reservation
	*(1930) Geology and ore deposits of the Wood river region, Idaho, with a description of the Minnie Moore and near-by mines. Bulletin* Vol. 814. US Geological Survey doi:10.3133/b814**	Report (volume)
	----------------------------------.Quartz monzonite on Big Lost River._--__----__________ Quartz monzonite on...near Big Lost River.._____________________________ .Deposits near the head of East Fork of Big Wood River_______...__'_______________________ Utah-Bellevue mine------------._-_-______________________ Penobscot group.--_--------__...--_--------__-__-________________________ Overland mine.----_--------------_-_____--__._________-_Monday mine___-...Scorpion Gulch..__________________________ Climax mine.--.--- -----_-_--___________________________ Rowley
	*(2009, May) Subterranea* 19. Subterranea Britannica**	Journal (issue)
	GU35 9HH From the Chairman Martin Dixon What a great delight it was to see so many new — as well as old...secretarial allowances I'm afraid! However, it's a great way to give something back and to help ensure Sub...International Mining Conference, Redruth, Cornwall 19 - 21 June NAMHO (National Association of Mining Historical...FOR ENGLISH HERITAGE The National Association of Mining History Organisations (of which Subterranea Britannica...Framework for the extractive industries, primarily the mining and quarrying industries. Paul Sowan, our representative

Malachite from Relief Shaft, Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA

Malachite from
Relief Shaft, Great Western Mine Group, Brighton, Big Cottonwood Mining District, Salt Lake County, Utah, USA