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/ EFFECT OF SLAG TYPE ON TUFA PRECIPITATE FORMATION https://trid.trb.org/View/302038 Thu, 30 Nov 1989 00:00:00 GMT https://trid.trb.org/View/302038 OPEN HEARTH SLAG--A PROBLEM WAITING TO HAPPEN https://trid.trb.org/View/284093 Mon, 31 Aug 1987 00:00:00 GMT https://trid.trb.org/View/284093 REPORT ON OPEN HEARTH SLAG FOR RAILROAD BALLAST https://trid.trb.org/View/33975 Tue, 29 Jul 1975 00:00:00 GMT https://trid.trb.org/View/33975 BALLAST TESTS https://trid.trb.org/View/18763 Mon, 15 Jul 1974 00:00:00 GMT https://trid.trb.org/View/18763