Subjects: Engineering drawings
1 series, listed chronologically
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| Series and Files |
No. of Records |
Index to the Sites and Related Documentation in the Historic American Buildings Survey / Historic American Engineering Record Materials, created, ca. 1980 - 1997, documenting the period 1933 - 12/24/1997
- Record Group 515
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68,902 |
Historic American Buildings Survey/Historic American Engineering Record (HABS/HAER) Database Files, September 1997 (Part 1), 1933 - 9/24/1997 |
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34,451 |
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Historic American Buildings Survey/Historic American Engineering Record (HABS/HAER) Database Files, September 1997 (Part 2), 1933 - 9/24/1997 |
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34,451 |
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