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March 2021

Volume 73    Issue 3

FEATURED ARTICLES

William Wardwell “Bill” Edgerton; an interview with the 2021 SME President
Preview  
An overview of a cost-effective method of sealing slurry pumps: centrifugal or dynamic expeller seals
Will Pierce
Preview  
An algorithm for demonstrating the social license to operate
Nathan Manser, Kathryn Marlor
Preview  
Assessing the effectiveness of diversity and inclusion policies in the U.S. mining industry
Rosa Rojas, Fatemeh Molaei
Preview  
AIME's progress over its first 50 meeting: 1871-1888
George Luxbacher
Preview  

TECHNICAL PAPER ABSTRACTS

Extended abstracts from the SME journal Mining, Metallurgy & Exploration
Abstract  
Analysis of Mine Roof Support (AMRS) for US coal mines
Christopher Mark, Ryan C. Stephan, Zach Agioutantis
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Investigation of alkaline leaching parameters on stibnite concentrate
Serdar Aktas, Burcu Nilgun Cetiner
Abstract  
The impact of black lung and a methodology for controlling respirable dust
Jay F. Colinet
Abstract  
Haul-road monitoring in openpit mines using unmanned aerial vehicles: A case study at Bald Mountain Mine site
Filip Medinac, Thomas Bamford, Matthew Hart, Michal Kowalczyk, Kamran Esmaeili
Abstract  
A review on potash recovery from different rock and mineral sources
Sandeep Kumar Jena
Abstract  
Study of methane outgassing and mitigation in longwall coal mines
Samuel A. Lolon, Jurgen F. Brune, Gregory E. Bogin Jr., Aditya Juganda
Abstract  

TUNNELING AND UNDERGROUND CONSTRUCTION

Current and future developments; insight from two of the world's leading TBM manufacturers
William Gleason
Preview  
Emerging data-processing technologies for TBM projects—state of the art and outlook
Ulf Gwildis, Ulrich Maidl, Jamal Rostami
Preview  
Quantification of tangible and intangible benefits of digitalization in tunnel construction
Angus Maxwell, Jacob Grasmick
Preview  

SME NEWS

SME Foundation  
SME/PCMIA  
Fine Grind  
Minerals Education Coalition  
Safety Share  
In The Aggregate  
Environmental Division  
Personal News  

DEPARTMENTS

Politics of Mining  
Industry Newswatch  
Letter to the Editor  
Web Directory  
Professional Services/Classifieds  
Index of Advertisers