Experts from the Oklahoma Archaeological Survey have identified an anomaly in Oaklawn Cemetery consistent with a “common grave” (at site #4 in this photo). Still much work to be done to determine if this is a mass grave from the 1921 Tulsa Race Massacre.https://t.co/v7mp1Fq8Yf pic.twitter.com/CrLNv9dA0w

— G.T. Bynum (@gtbynum) December 17, 2019