HABS/HAER/HALS Collection Statistics

New documentation is typically added to the HABS/HAER/HALS Collection on a quarterly basis. This page will be updated accordingly.

Collection Counts by Program

Last updated:February 2024

Program	Surveys	Black & White Photographs (from Large-Format Black & White Negatives)	Color Photographs (from Large-Format Color Transparencies)	History Pages	Measured Drawings (Counted by Sheet)	Field Notes (Counted by Folder)	URL
Historic American Buildings Survey (HABS)	34,106	199,518	3,741	138,027	62,664	8,489	All HABS Documentation
Historic American Engineering Record (HAER)	10,549	119,424	2,090	112,970	7,127	2,694	All HAER Documentation
Historic American Landscapes Survey (HALS)	1,044	7,584	280	15,237	1,267	213	All HALS Documentation
Totals:	45,699	326,526	6,111	266,234	71,058	11,396	Entire Collection

Survey Counts by State/Jurisdiction

HABS/HAER/HALS Survey Count by State or Other Jurisdiction

State or Other Jurisdiction	Survey Count

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Last updated: February 2024