The Survey and Cartography Section(SACS) is an internal organization of the NSS whose purpose it is to improve the state of cave documentation and survey, cave data manipulation, and all forms of cave cartography.

SACS is made up of a diverse group of cavers who are interested in sharing ideas, technology and opinions on the science and art of producing digital and traditional cave maps, on methods of cave data collection and reduction, and for improving the digital manipulation and representation of cave survey data. Anyone interested in cave mapping and cartography is welcome to join.

The Section holds an Annual Meeting, a Survey and Cartography Session, and a Cartographic Salon at each NSS Convention. Section business is conducted at the annual meeting. Papers, presentations, and discussions are featured at the Convention session and the Cartographic Salon is an exhibit of traditional and digital cave maps which feature the best work of national and international cartographers.