1853 W. Pidgeon (1858) xxx. 267 At the junction of Grave creek with the Ohio, in Virginia, we find another, seventy feet high, with a base circumference of more than a thousand feet.
1913 3 i. 133 Most [bowls] had a rim diameter of 14·5 cm. and a base diameter of 8 cm.
2006 J. James et al. in R. K. Dowling & D. Newsome i. iv. 68 The monolith has a base circumference of 9.4km.