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: May 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)	34,158	200,006	3,746	138,753	62,778	8,503	All HABS Documentation
Historic American Engineering Record (HAER)	10,604	119,735	2,110	113,289	7,163	2,697	All HAER Documentation
Historic American Landscapes Survey (HALS)	1,045	7,787	286	15,343	1,301	216	All HALS Documentation
Totals:	45,807	327,528	6,142	267,385	71,242	11,416	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: May 2024