Chapter 19

The nameless stone labyrinth consisted, for the most part, of walls from ten to one hundred and fifty feet in ice-clear height, and of a thickness varying from five to ten feet. It was composed mostly of prodigious blocks of dark primordial slate, schist, and sandstone--blocks in many cases as large as 4 × 6 × 8 feet--though in several places it seemed to be carved out of a solid, uneven bed rock of pre-Cambrian slate. The buildings were far from equal in size, there being innumerable honeycomb arrangements of enor…