COLUMNS & DEPARTMENTS
FEATURE ARTICLES
15
Environmentally Friendly
Operations
To minimize your impact, implement best
practices for water, dust, and waste disposal.
OPERATIONS ILLUSTRATED
Caterpillar updates its articulated trucks.
Producing washed spec sand is a science and, when
done right, a quite profi table one.
Meeting Goals for
Spec Sand
Start by setting up the wash plants with
material in mind.
Going Strong for More
Than a Century
Stringtown Quarry celebrates community
and longevity in southeastern Oklahoma.
8
20
3 Editorial
The frac sand market heats up.
4 Data Mining
The latest fi nancial analysis of issues impacting in the
industry and Aggregates Manager's exclusive aggregates
industry outlook.
6 RollOuts
Epiroc's new SB 302 and SB 452 tunnel breakers, and
other new equipment for the aggregates market.
27 Rock Law
Should you drug test your employees? Learn what you need
to know fi rst.
30 Advertiser Index
See who's who and where to fi nd their products.
31 Classifi ed Ads
Aggregates industry classifi eds.
32 Carved in Stone
A naturally occurring clay called smectite has numerous
uses, including curing a sick pup.
PAGE 6
PAGE
8
On Our Cover: Stringtown Quarry, owned by Lattimore
Materials, is one of Oklahoma's oldest quarries.
Cover photo by Kerry Clines.
JULY 2018
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VOLUME 23, NUMBER 7
TABLE OF CONTENTS
