Results 71 to 80 of about 507,235 (176)

Sill mine

open access: yes, 2022
Mine report no. 955.Includes illustration.Typescript (carbon copy)
Marks, John H. (John Henry)
core  

Toledo mine, The

open access: yes, 2022
Mine report no. 806.Typescript (carbon copy).The mine was four and a half miles from Idaho Springs, Clear Creek County, Colorado.
McClelland, George E.
core  

Prediction of mine water inflow along mining faces using the SSA-CG-Attention multifactor model

open access: yes
Predicting mine water inflow plays an important role in ensuring mine safety, optimizing resource allocation, and improving work efficiency. This study aims to improve the accuracy and stability of the predicted mine water inflow.
Yingying, DING   +8 more
core   +1 more source

Evolution of aquifer permeability under mining conditions and prediction of dynamic water inflow

open access: yesMeitan kexue jishu
Zhaoxian mining area is an important mining area in the Huanglong coal base. During the mining of high-strength coal resources, the problem of coal seam roof water disaster is prominent, and water inflow prediction is a crucial part of water disaster ...
Lian’gang Li   +7 more
doaj   +1 more source

Waterminer - Mine water management [PDF]

open access: yes, 2011
In the Australian and New Zealand gold mining industry the use of water is an integral part of the entire mining process, from the initial extraction of the ore to its final processing. The way in which water is managed on site effects the running costs,
Tobin, Brent
core  

Report on Emmett mine

open access: yes, 2022
Mine report no. 865.Includes map.Typescript (carbon copy).Report on the Robert Emmett Mine, Gilpin County, Colorado, second copy includes an addenda added Aug.
Welles, A. M. (Alonzo Merritt)
core  

Bonney mine reports

open access: yes, 2022
Mine report no. 681.Facts regarding the Bonney mine -- Mr. C. Colcock Jones' report delivered at a meeting of the stockholders of the Pacific Copper Company in Los Angeles, July 24, 1930, in conjunction with report by Mr.
Royer, Frank W.
core  

Guston mine

open access: yes, 2022
Mine report no. 1446.Typescript (carbon copy)
Marks, John H. (John Henry)
core  

Water inflow prediction of mine working face based on GWO-iTransformer-SVM model

open access: yesMeikuang Anquan
Mine water inrush has become one of the major problems restricting coal resource development in central and western China. To establish a water inflow prediction model suitable for mine working faces threatened by ultra-thick sandstone water disasters in
Kai Li
doaj   +1 more source

Two-forty mine, Gilpin County, Colorado

open access: yes, 2022
Mine report no. 1121.Includes maps.Typescript (carbon copy).Two-forty mining property, Gilpin County, Colo. property [sic] / P.E. Parkington -- Report on the Two-forty mine, Russell mining district, Gilpin County, Colorado / Forbes Rickard -- Assays ...

core  

Home - About - Disclaimer - Privacy