From publisher blurb:
This full color battlemap is the 304th of a series featuring various terrains. This installment of the battlemap series features an aged concrete and steel sea fort.
The map is 28 x 30 squares in size, with each 1 inch square scaled to represent 5 feet. It is provided in 12 segments, which need to be assembled, in a single PDF using the letter format.
The product has been updated to include a large gridless JPG image of the map, intended for use with VTT software. It is 4032x4320 pixels in size at 144dpi.