ice-precipice

There would have been no difficulty in crossing such a slope if its base had terminated in snow, but as it went straight down to the brow of an ice-precipice, and then abruptly terminated in a cornice, from which the giant icicles, before mentioned, hung down into an unfathomable abyss, each man knew that a false step, a slip, or the loss of balance, might result in the instant destruction of the whole party.

Rivers of Ice 1859

To this the Professor made no reply, but ordered his guide to make a detour and ascend to the upper edge of the ice-precipice for the purpose of dislodging the larger and more dangerous blocks of stone there, and, after that, to plant a stake on the summit.

Rivers of Ice 1859

Passing the Grand Plateau they reached a steep incline, which rose towards a tremendous ice-precipice.

Rivers of Ice 1859

"I ask the question," continued the Professor, "because I mean to request your assistance in taking measurements in a somewhat dangerous place, namely, the ice-precipice of the Tacul."

Rivers of Ice 1859