Map of the U.S. counties in the sample.

2019-01-10T18:43:21Z (GMT) by Edson Severnini

Notes: This map shows the counties in the sample for the main empirical analysis. These are counties with at least 30 megawatts of hydropower potential, and that have developed any power plants in the period of analysis– 1998–2014. The sample includes 110 U.S. counties, in 33 states.