The tide-level scheme has a dam at Gamboa, near Obispo, thus making a lake of the upper waters of the Chagres, whose surface would be 200 feet above sea-level.
Fortunately, the valley has led us not only a long distance towards the Pacific, but to a place where the dividing ridge only attains an elevation of about 300 feet above sea-level.
But the bottom of the lake here is only about 5 feet above sea-level, the total depth of water immediately above the locks and dam being 80 feet.
The bottom of the canal in the cut, as in the channel through Lake Gatun, is 40 feet above sea-level.
They declared therefore for a lock canal at an elevation of 85 feet above sea-level.
Now the highest elevation of these hills along the centre line of the canal was 312 feet above sea-level.
Kandy is a pretty spot, with a good hotel and agreeable climate, its elevation being 1800 feet above sea-level.
Among the earliest caves inhabited by man(10) was that of Le Moustier, situated on the right bank of the Vezere, and about 90 feet above it.
Here, at a height of 4,500 feet above sea-level, Baechler discovered proofs of occupation by Mousterian man in the very heart of the Alpine ice-fields of the Fourth Glacial Stage.
Crossing to the north, we note the superb Swiss grotto of Wildkirchli, on the headwaters of the Rhine, 5,000 feet above sea-level.
In southern Alaska the snow-line is only about 2,500 feet above tide, and a large number of magnificent glaciers descend to sea-level, and many of them actually enter the ocean.
As it was 2000 feet above us, and would take some time to clear the distance, a short race for life ensued.
The higher shelf extends westward to the foot of Gilboa; it dies away on the south, but on the north it gradually rises into the plateau of Kaukab and to the western table-land above the Sea of Galilee, 1800 feet above Jordan.
If we go west from this point to that meridian, we shall strike it at the mouth of the Yellowstone, 1,970 feet above tide-water.
We wind up its fertile valley to the richer bottom-lands of the Yellowstone, over a route so level that at the mouth of the Big Horn we are only 2,500 feet above tide-water.
We had no difficulty in fording the Guaynopa Creek near its junction with the Aros River, and selected a camping place on a terrace 200 feet above it.
Some forty miles south of Cochuta we turned in a southerly direction, ascending a hilly plateau 3,200 feet above sea-level.
In the end of May I reached Morelos, an old mining place, about 1,800 feet above sea-level.
Whenever the altitude of the mountain districts exceeds 6,000 feet above tide-water, their settlement becomes problematical unless there are valuable mines to attract people.
Directly across our route lies a basaltic ridge, rising not less than 5,000 feet above us, its walls apparently vertical, with no visible pass or even canon.
Situated as it is, 6000 feet above sea-level, in an old lake basin amongst the Himalaya, its climate is almost perfect.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "feet above" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
