This sounds more impressive than it is: a pair of steel I-beams, already rusting, bracketed to half-buried concrete ties, running fifty yards straight up a forty-five-degree slope to a small plateau that's accessible via private road.

From there on in, we'd he climbing on the bottom of a forty-five-degree slope.

Rod had a vision of a ground-effect car trying to climb a forty-five-degree slope.

The stepping disk rested near the top of a smooth forty-five-degree slope of piled dust, and it was starting to slide again.

And for what seemed like an eternity, there was only the rasp of breath in throats, the hammer of hearts, and the sodden rub of boots against feet as they marched doggedly up the forty-five-degree slope in the icy blackness.

Awkwardly negotiating the forty-five-degree slope between the plateau and the lower plain, Rita started back toward the temporary camp.

The ground fell straight away from the doorsill, first vertically, then angling down to a forty-five-degree slope.

He offered Liane his hand and walked down the wall's forty-five-degree slope ahead of the girl as a brace against her slipping and an anchor if she did.

Sometimes on a forty-five-degree slope.

She had recently discovered a high trail running along the west wall of the tunnel, cut into the basalt where the curve of the cylinder made the wall about a forty-five-degree slope.