Gallery
Located on the Cheyenne River Sioux Tribe reservation, ISPMB honors the culture and assists in youth projects and other programs.
Visit our photo galleries
Wild Horse Annie – BOOK RELEASE
All proceeds benefit ISPMB, Velma's original organization! Click here to view the Youtube video “This important addition to the history of mustangs and animal protection laws is highly recommended for animal lovers and Western history buffs.” - Library Journal, starred reviewSponsor a Horse.
Win a Trip to Our Ranch!
Shoeshone
Catnip Herd
Dante - Gila Herd
Chief - White Sands Herd
Enjoy a weekend with the mustangs in beautiful South Dakota.