National Academy of Engineering
5 items found
![](https://cdn1.historyit.com/iiif/2/5fb2f50013eb62.91058264/5466575e2ddbb7.04442526.pdf/full/full/0/default.jpg)
Russell B. Stevens to Joseph W. Berg, Jr., et al, October 19, 1972
![](https://cdn1.historyit.com/iiif/2/5fb2f50013eb62.91058264/546655b3593845.16450709.pdf/full/full/0/default.jpg)
Summary Report of the US Planning Committee; Second International Conference on Permafrost
![](https://cdn1.historyit.com/iiif/2/5fb2f50013eb62.91058264/5466561ea6d0b7.78067521.pdf/full/full/0/default.jpg)
Experimental Research & Development Incentives Study Objectives Sheet
![](https://cdn1.historyit.com/iiif/2/5fb2f50013eb62.91058264/546655308a87d8.12866390.pdf/full/full/0/default.jpg)
Program Announcement Experimental R&D Program
![](https://cdn1.historyit.com/iiif/2/5fb2f50013eb62.91058264/546657ea34ac12.96015497.pdf/full/full/0/default.jpg)