That calf hide, together wit the older pipe bag are part of the Cook Collection at the Agate Fossil Beds National Monument, Nebraska.
My thanks to Mark Hertig, Curator of the Cook Collection Museum at Agate Fossil Beds National Monument, Harrison, Nebraska, for all this information, his ideas and help, and for showing me all the above mentioned tipi renderings.
SCOTTS BLUFF County: Scotts Bluff National Monument, on rock, Wetmore 77443, 77447, 77473, 77557, 77571, 77624, 77661, 77697, 77889; SIOUX: Agate Fossil Beds National Monument, on rock, Wetmore 77762, 77782, 77827, 77849, 77874, 77889, 77897, 77942, 77960; 13 miles N of Mitchell, on rock, Wetmore 77757.
GARDEN County: Ash Hollow State Historical Park, on exposed limestone, Ladd 18079; KEYA PAHA: Niobrara Valley Preserve, on caliche blocks, Ladd 16440; SCOTTS BLUFF: Scotts Bluff National Monument, on rock, Wetmore 77457, 77471, 77527, 77533, 77552, 77567, 77568, 77610, 77660, 77680, 77699; SIOUX: Agate Fossil Beds National Monument, on rock, Wetmore 77830, 77866, 77878, 77930, 77966; 13 miles N of Mitchell, on rock, Wetmore 77738; Ft.
GARDEN County: Ash Hollow, 22 miles NW of Ogallala, on Lecidella stigmatea, Wetmore 77420; KEYA PAHA: Niobrara Valley Preserve, in apothecia of Lecidella on exposed caliche, Ladd 16460, 16464; SIOUX: Agate Fossil Beds National Monument, on Lecidella stigmatea, Wetmore 77758, 77779, 77934.
SCOTTS BLUFF County: Scotts Bluff National Monument, Wetmore 77728, on Populus, Wetmore 77736; on Juniperus, Wetmore 77499, 77648; on Rhus, Wetmore 77727; SIOUX: Agate Fossil Beds National Monument, on Ulmus, Wetmore 77793.