CFR›Title 7›Subtitle B›Chapter VI›Part 611›Subpart C ContainsSections 611.20–611.22CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart C—Cartographic Operations Sections 611.20 § 611.20 Function. 611.21 § 611.21 Availability of aerial photography. 611.22 § 611.22 Availability of satellite imagery. Previous B Subpart B—Soil Survey Operations