Greenbelt_black-snake2b July 15, 2017 An indigo black snake in Greenbelt National Park: Glynn Wilson Related Posts:The U.S. Has Spent More Than $2 Billion on a Plan to…Fall Bird Migration Kicks Off Tuesday Sept. 12Ranger Program: Welcome to WashingtonF.B.I. Headquarters Move Could be a Legacy Project…Camping Out and Living the Nomadland Life in the…The Untold Story of Liam Van Winkle