An increased friction reduced the sled speed, while the snow surface, too hard for snowshoes, was also too weak to give a secure footing to the unprotected boot.
"My Attainment of the Pole"
Frederick A. Cook
When one-third of the sun's disk was obscured it was impossible to see the cut circle with the unprotected eye.
"My Attainment of the Pole"
Frederick A. Cook
Fearing to leave my young wife unprotected, I took her to her old home in Virginia, and there she stayed safely until the bitter strife was over, and there you were born.
"The Man from Jericho"
Edwin Carlile Litsey