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: September 2026

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)	34,829	203,232	3,775	144,141	63,982	8,659	All HABS Documentation
Historic American Engineering Record (HAER)	10,778	122,313	2,139	116,738	7,396	2,768	All HAER Documentation
Historic American Landscapes Survey (HALS)	1,114	8,205	291	16,842	1,450	250	All HALS Documentation
Totals:	46,721	333,750	6,205	277,721	72,828	11,677	Entire Collection

Survey Counts by State/Jurisdiction

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

State or Other Jurisdiction	Survey Count

Download This Dataset

Last updated: September 2026