Page 286 - Green - Maritime Archaeology: A Technical Handbook. 2nd ed
P. 286
Chapter 9: Excavation 265
a
b
Figure 9.17 Breaking cannon ball concretion on land (a) and under water (b) at Batavia wreck site, Western Australia. (Figures 9.17a and b are courtesy of Patrick Baker, Department of Maritime Archaeology, Western Australian Maritime Museum.)
