Search Documents
Search Again
Search Again
Refine Search
Publication Date
Refine Search
Organization
-
Journal: 100 Years / E.I. DU PONT DE NEMOURS POWDER COMPANY PRICE LIST NO. 4 APRIL 1, 1911By Robert Hopler
RBH Note: At the time of this price list the handwriting was already on the wall regarding the ultimate breakup of the company under the Sherman Anti-Trust Act. The brand names Atlas and Hercules, not
Jan 1, 2012
-
"Journal: 21st Annual Photo Contest - Honorable Mention – Quarrying and Mining Quarry Blast"
By Paul Worsey, Gillian Worsey
The basic blasting class at Missouri S&T blast in the quarry at the experimental mine in preparation for the International Intercollegiate Mining (Mucking) Competition in April 2014.
Jan 1, 2015
-
Journal: 19th Annual Photo and Art Contest - Honorable Mention "Pre-Split Wall "
By Wood Marcum, Gary McLemore, Randall Franklin
Description of Project: Nelson Brothers/Walter Energy (Choctaw Mine) Pre-Split Wall. Walter Energy – Choctaw Mine is a multi-seam surface coal mine in Northwest Alabama.Pre-splitting is the standard p
Jan 1, 2013