Give someone the gift of clean water with a $35.00 gift card good for a one-year membership to Potomac Riverkeeper, Inc. Membership includes exlusive access to membership-only events, discounted entry to general events, a free subscription to our quarterly newsletter River Watch, and e-alerts & e-news to keep you up to date on the latest river news.
Potomac Riverkeeper: Navy, Washed Blue, Washed Green, Wheat
Shenandoah Riverkeeper: Navy (pictured), Washed Blue, Washed Green.
White: S, M, L, XL, 2XL
Gray: S, M, L, XL, 2XL
The Smithsonian Castle and the Seneca Quarry
Purchase your copy of The Smithsonian Castle and the Seneca Quarry by Garrett Peck. Proceeds will benefit Potomac Riverkeeper.
Author Garrett Peck explores the origins of the stones that created the building that today dominates the National Mall. Through death, bankruptcy, and scandal, learn the history of the Smithsonian Castle and Seneca Quarry.
The Historic Waterfront of Washington, D.C.