Talk:Variable Density Tunnel
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[edit] Photos
The article is illustrated with a historic black & white photo. Additional photos of other aspects of the site, color photos, and/or modern photos and photo uploads may improve the article.
- HABS or HAER photos may be available for this site. Search HABS/HAER here
- Some of NRHP photos linked in article are taken by NPS employee, hence public domain and can be used. Search NPS focus here for highest resolution JPG versions
- NRHP photos seem not to be available on-line for this site.
- New photos would be helpful.