Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ SURFACE MINING. PART 2. OPEN PIT ORE MINING (CITATIONS FROM THE ENGINEERING INDEX DATA BASE) https://trid.trb.org/View/63347 Sun, 16 Jan 1977 00:00:00 GMT https://trid.trb.org/View/63347 ENVIRONMENTAL, ECONOMIC, AND SOCIAL IMPACTS OF MINING COPPER-NICKEL IN NORTHEASTERN MINNESOTA https://trid.trb.org/View/23923 Sat, 26 Jun 1976 00:00:00 GMT https://trid.trb.org/View/23923 IMPACT OF NATURAL GAS PIPELINE ON MINERAL AND ENERGY DEVELOPMENT IN ALASKA https://trid.trb.org/View/23918 Thu, 26 Jun 1975 00:00:00 GMT https://trid.trb.org/View/23918