Medicinewheel and XIN:
I went back to the site and dug around and found out some specs for the bows....I'll wirte down the photo number and the facts that they listed.
UA 210: Wood (pine), paint, sinew dated between 1865-1900 dim: 2.8 X 110.5 cm
ACC 3202 C : wood, paint 1875-1925 2.3 X 101.5 cm
M 435: 1800-1813 wood, pigment 5.1 X 130 cm
M 12639 1865-1915 wood, pigment 3.2 X 133 cm
M 12663 1865-1915 wood, paint, sinew 3.8 X 142.5 cm
Plains Bow 1865-1925 wood, hide, horsehair, feather, cotton cord, pigment 15X 118.2 cm
half eye