The main track has a slope of about 20 degrees.

The other side of the hill was a sixty degree slope.

In general, an avalanche requires a slope of at least 30 degrees.

It has steep upper slopes of between 12 and 30 degrees.

It has a slope of 60 degrees and is inscribed with this king's names.

Texas has gone one better, developing a barrier with a constant slope of 79 degrees and no break at all.

Ahead of him, the ground dropped away in a rocky forty-five degree slope.

They prefer plains, and can occur at slopes of 20 degrees.

One effect of the law will be to bar construction on slopes of more than 35 degrees.

The crater is up to 66 feet deep, with slopes of 20 degrees and steeper.