Yale University Herbarium

YU.036287

SHEFFIELD SCIENTIFIC SCHOOL.
FRANK TWEEDY COLLECTION.

PLANTS OF NORTHERN WYOMING.

Eastern slope of the Big Horn Mountains.
Headwaters of Clear Creek and Crazy Woman River.

Elevation 7000 - 9000 feet.

FRANK TWEEDY.

JULY 20TH - AUGUST 15TH, 1900.