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Collection Guide
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A guide to the Alma (built 1891; scow schooner) and Hercules (built 1907; tugboat) HABS/HAER aperture cards, 1989, 1997, 2001-2002
P16-007 (SAFR 24665)  
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Collection Overview
 
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Description
The Alma (built 1891; scow schooner) and Hercules (built 1907; tugboat) HABS/HAER aperture cards, 1989, 1997, 2001-2002, (SAFR 24665, P16-007) are comprised of aperture cards containing microfilm copies of existing condition drawings documented by the Historic American Engineering Record (HAER) program of San Francisco Maritime National Historical Park vessels ALMA and HERCULES. The collection has been processed to the Collection level and is open for use.
Background
This collection does not include a historical or biographical note.
Extent
14 items.
Restrictions
Some material may be copyrighted or restricted. It is the researcher's obligation to determine and satisfy copyright or other case restrictions when publishing or otherwise distributing materials found in the collections.
Availability
This collection is open for use unless otherwise noted.