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Place
- 0.6 miles north of the Grant County line on United States Highway 167.1
- About 1/2 mile NE of Harrisburg.1
- About 7 mi ESE of Harrisburg on Shawnee Nat'l Forest.2
- Alcoa Corporation land1
- Alcoa Corporation land.2
- Along Blackwater River, about 0.6 mile west of junction of I-70 & Rt 65.1
- Along Blackwater River. About 0.6 mile west of Junction of Rt 65 & I-70. Houstonia P.O. nearby.1
- Arkansas11
- Arrow Rock State Park, ca 0.6 mi ESE of the inter of Rts TT & 41, Arrow Rock 7.5' Quad.1
- Benton [?]1
- C.B. & Q.R.R. track, Crete.1
- Contact UM Herbarium2
- Illinois19
- Kansas1
- Michigan4
- Missouri3
- Nebraska3
- North America37
- Ouachita Mountains. (Stanley Shale Formation) on the west side of Rice Road. Lonsdale NE 7.5' quad.1
- Saline[remove]41