USA Hydrological Map – Canvas Green Bonito *A portion of the proceeds

*A portion of the proceeds from each sale of this print will be donated to Spokane Riverkeepers

That’s the spirit that underlies our map of Mammoth Cave National Park

The Geologist in charge of this work was Arnold Hague which was printed by Julies Bien and Co

That’s the spirit that underlies our map of Bryce Canyon National Park

HI USGS Map in our Historic Series

USA Hydrological Map – Canvas Green Bonito *A portion of the proceedsLimited Quantity made in collaboration with Bradley Mountain The USA Hydrological Map shows in fascinating detail how the states rivers and streams flow and interconnect, merge and diverge, carrying life to the land. With exceptional detail, this map depicts every river in the country, even intermittent streams, and every body of water with a diameter greater than 6 miles. The rivers are illustrated through a method called the Strahler Stream Order