United States, Arkansas, Washington, Under Lafayette Street Bridge, Fayetteville.
36.068539 -94.166315 +-35m. WGS84
Placed pin at intersection of W. Lafayette St and Frisco Trail which is the location of previous RR tracts based on internet search and Google Satellite map. It is also the only bridge on relative short span of Lafayette St. seen on satellite image. Label indicates that specimen is common at RR tracks in 1977. Edited radius to include span of bridge plus buffer margin.