Specimen V2039 is identified as diabase. The physical location is given as Brushy Myn. R.R. cut just S. of bridge near So. R.R., 1.5 to 2 mi. N. of Gretna, Pittsylvania County. The location coordinates were not recorded and are represented here by the county centroid. The specimen is stored in the DGMR Repository Storage Cabinet number 2, Drawer number 25.