National Park Service, Department of Interior
NPS
Part of Department of Interior
Content Hash:
2381ac85b75d7af9b802f7ecf337b20a
MD5 checksum of all regulatory content as of Oct 15, 2025
Regulatory Word Count Over Time
Total words across all chapters managed by this agency
Earliest:
263,704 words
(Jan 01, 2017)
Latest:
2,929,060 words
(Oct 15, 2025)
Change:
+2,665,356
(1010.7%)
CFR Chapters
Title 36, Chapter I
CHAPTER I - NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR