Geological Survey, Department of Interior
USGS
Part of Department of Interior
Content Hash:
24768121cfd3e4f8981407bed1ec29d6
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:
4,340 words
(Jan 01, 2017)
Latest:
39,060 words
(Oct 15, 2025)
Change:
+34,720
(800.0%)
CFR Chapters
Title 30, Chapter IV
CHAPTER IV - GEOLOGICAL SURVEY, DEPARTMENT OF THE INTERIOR