ANATOMY OF A CONCRETION: LIFE, DEATH, AND BURIAL IN THE WESTERN INTERIOR SEAWAY

LATE CRETACEOUS METHANE SEEPS AS HABITATS FOR NEWLY HATCHED AMMONITES

Mesozoic and Cenozoic fossil isopods of North America

Geochemistry and origin of Archean granites from the Black Hills, South Dakota

Magnetic survey of the Circus Flats Dome and western flank of Bear Butte, northern Black Hills, South Dakota

Siderite concretions; indicators of early diagenesis in the Gammon Shale (Cretaceous)

Homestake Gold Mine, South Dakota; II, Lead Isotopes, Mineralization Ages, and Source of Lead in Ores of the Northern Black Hills