Canada. National Parks Branch, The Nakimu Caves, Glacier Dominion Park…
“ The fine grains of sharp sand, loosened from the lime rock and caught in the swift current of the small stream that at first found its way through a shrinkage crack of some particular bed of limestone, have undoubtedly given the water an uncommon erosive power, which, through the countless years of the cave’s history, has enabled that mountain torrent to carve out a mammoth channel in solid marble. ”
