National historic landmarks listed by state or territory /

Bibliographic Details
Format: Government Document Database
Language:English
Published: [Washington, D.C.] : National Park Service
Subjects:
Online Access:Scroll down to link "online database" to access the most current iteration available
https://purl.fdlp.gov/GPO/LPS60025
Description
Physical Description:1 online resource
Publication Frequency:Updated annually