Tie Grading Guide
iOS app by Western Wood Preservers Institute. Education · Western Wood Preservers Institute
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.8
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
The RTA Tie Grading Guide offers detailed information and training on specifications, grades and limiting defects for preservative treated wood rail ties.
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