File:Btty-Whitman-As-Designed.jpg
This plan was obtained by Thomas Vaughan, courtesy of Glen Williford, and published as part of his "Analysis of Seacoast Mortar Battery Design Types (1890-1925), Stoughton, MA, 27 February 2004, p. 21.
The plan is oriented toward the NNW (at top). The existing Btty Whitman Pit A is at lower left, and Pit B is at top left.