### Question
How is the term geologic mapping program defined?


### Answer
The term **geologic mapping program** is defined in *43 U.S.C. § 31b* as the following:

> the National Cooperative Geologic Mapping Program established by section 31c(a) of this title

#### Citation:
  - *43 U.S.C. § 31b*
  - Heading: **CHAPTER 2-UNITED STATES GEOLOGICAL SURVEY**

