Bulk Sampling The first step in assaying is to obtain a sample, and it is all important that the portion selected should be representative of
An objective of the present contract is to “provide a concept for the design of a portable underground hard rock crusher in order to insure
In Section 2 we dismissed those “big-room” applications not needing fundamentally new equipment, and lumped all the rest together. Now, as we examine specific mine
As it relates to portable crushers, the basic portability concept under investigation here might better be described by the phrase ”decentralized crushing to allow automated
One of the Bureau of Mines missions is to research the techniques required to achieve structural and environmental control of all mill tailings disposal, both
Make 200 good cupels, as follows: Take the box used for the purpose and fill with bone-ash, add water and mix. Use as many ounces of
These instruction sheets have been prepared in this form to take the place of mimeograph copies which were formerly used by students electing the course
Thus, 2½ years after completion, the engineering feat of Oroville Dam Construction still loans large. Let us take a close look at this project to see
More than ever, public opinion is demanding the design of stable embankments as part of tailings disposal systems to aid in abating air and water
The power required to drive a tumbling mill is of interest both to the designer and to the mill operator: to the former as a basis