From the top we searched with glasses; there was nothing to be seen but blue ice, crevassed, showing no protuberances.
But there was no disregarding this half-inch of blue ice that had covered the spring.
The figure on Grismet lay stretched out at full length on the blue ice, his eyes closed.
Bravely she ploughs through two feet of blue ice; and when she comes to the high ridges backs up and charges them again and again.
His face was dark, forbidding, the lines deeply bitten about a somber mouth, his eyes were like blue ice.
But here, for once, we had the genuine article, blue ice without a speck of snow on it.
A great slab of blue ice, momentarily dislodged, heaves endways upward, then settles down above the head of the girl.
Off again, we "plugged" away until midnight when we were much surprised to find the usual snow surface merging into blue ice.
The sledges ran through a sea of crevassed, blue ice, over ridges and past open chasms.
Even hard, blue ice may become channelled and pitted by the action of drift.
coarsely crystallized ice on the surface of some lakes and seas
Wastewater discharged from aircraft in flight, which freezes on the way to the ground
[Airlines 1990s+; fr the blue toilet disinfectant used]