From publisher blurb:
This full color battlemap is the 248th of a series featuring various terrains. This installment of the battlemap series features the tracks of a mining railway, leading deep underground.
The map is 14 x 20 squares in size, with each 1 inch square scaled to represent 5 feet. It is provided in 4 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 2016x2880 pixels in size at 144dpi.