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/ DESIGN FOR RAILROAD BALLAST AND SUBGRADE SUPPORT https://trid.trb.org/View/86811 Wed, 13 Jun 1979 00:00:00 GMT https://trid.trb.org/View/86811 SOME ASPECTS OF AIRCRAFT WAKE BEHAVIOR NEAR THE GROUND https://trid.trb.org/View/60924 Mon, 30 Jan 1978 00:00:00 GMT https://trid.trb.org/View/60924 PLANE COORDINATES FOR ENGINEERING AND CADASTRAL SURVEYS https://trid.trb.org/View/92595 Tue, 16 Jul 1974 00:00:00 GMT https://trid.trb.org/View/92595 AIR PHOTO SURVEY OF COASTAL EROSION https://trid.trb.org/View/93643 Mon, 23 Aug 1971 00:00:00 GMT https://trid.trb.org/View/93643