; (ii) the conduct of research, inventories, and surveys; (iii) the documentation of historic resources; and (iv) the interpretation and promotion of cultural and heritage assets; (B) the Council, with respect to historic preservation initiatives and best practices in stewardship; and (C) the Secretary of Commerce, with respect to economic development and job creation resources. . (b) Program Metrics Chapter 3111 of title 54, United States Code, is amended— (1) by redesignating section 311105 as section 311106; and (2) by inserting after section 311104 the following: 311105. Reports (a) Metrics Not later than 180 days after the date of enactment of the Explore America Act of 2018 , the Secretary, in consultation with the Council and the Secretary of Commerce, shall develop specific metrics to measure the effectiveness of the program, including— (1) the economic impact of the program on local communities (including Native American communities and National Heritage Areas); and (2) the effect of the program on efforts to preserve heritage resources. (b) Grantee report Not later than 2 years after the date on which a grantee receives a grant or technical assistance under this chapter, the grantee shall submit to the Secretary a report that— (1) describes the outcome of the project that was provided a grant or technical assistance under this chapter; and (2) based on the metrics developed under subsection (a), assesses— (A) the accomplishments of the project