Results of Spirit Leveling in Colorado, 1896 to 1914, Inclusive |
Contents
| 18 | |
| 21 | |
| 43 | |
| 52 | |
| 58 | |
| 65 | |
| 72 | |
| 77 | |
| 181 | |
| 185 | |
| 187 | |
| 1 | |
| 48 | |
| 26 | |
| 74 | |
| 89 | |
| 86 | |
| 98 | |
| 100 | |
| 109 | |
| 119 | |
| 121 | |
| 131 | |
| 142 | |
| 156 | |
| 162 | |
| 165 | |
| 175 | |
| 91 | |
| 98 | |
| 148 | |
| 159 | |
| 209 | |
| 1 | |
| 5 | |
| 9 | |
| 11 | |
| 1 | |
| 4 | |
Common terms and phrases
100 feet south 15 feet 20 feet north 20 feet west 50 feet east aluminum tablet stamped aluminum tag stamped bench mark bluff bolt in tile bridge bronze tablet stamped Cap on pipe chiseled square copper nail corner fence corner of sec Creek east of track east side feet east feet north feet northwest feet south feet southeast feet west Gulch iron pipe U. S. C. E. iron post stamped Latitude longitude Longs Peak meters north milepost miles east miles north miles northwest miles south miles southeast miles west Milwaukee & St nail in root Naturita north of road north of track north side northeast Ouray pipe U. S. C. E. b. m. point in square QUADRANGLE River road crossing sandstone side of road south side southeast corner southwest surmounted by iron telephone pole tile surmounted Top of cap top of rail tree triangulation station west of road west side
Popular passages
Page 4 - PI. I). The numbers stamped on the bench marks described in the following pages represent the elevations to the nearest foot, as determined by the levelman. These numbers are stamped with Д-тсЬ. steel dies on the tablets or post caps, to the left of the word "feet.
Page 6 - I) 3^ inches in diameter and one-quarter inch thick, having a 3-inch stem, which is cemented in a drill hole in solid rock in the wall of some public building, a bridge abutment, or other substantial masonry structure. The second form (F, PI.
Page 7 - ... long, narrow bays, rivers, and like features, will not affect the height of the water. To obtain even approximately correct results these observations must extend over at least one lunar month, and if accuracy is desired they must extend over several years.
Page 7 - Mexico, or the Pacific Ocean. The connection with tidal stations for bench marks in certain areas that lie at some distance from the seacoast is still uncertain, and this fact is indicated by the addition of a letter or word to the right of the word " Datum
Page 6 - The office adjustment of the notes and the reduction to mean sea-level datum may so change some of the figures that the original markings are 1 or 2 feet in error. It is assumed that engineers and others who have occasion to use the bench-mark elevations will apply to the Director of the United States Geological Survey, at Washington, DC, for the adjusted values...
Page 4 - ... were eliminated. This level is not the elevation determined from the mean of the highest and the lowest tides, nor is it the half sum of the mean of all the high tides and the mean of all the low tides, which is called the half-tide level. Mean sea level is the average height of the water, aU stages of the tide being considered.
Page 4 - The bottom is spread out to a width of 10 inches in order to give a firm bearing on the earth. A bronze or aluminum-bronze cap is riveted upon the top of the post which is set about 3 feet in the ground.
Page 4 - This level is not the elevation determined from the mean of the highest and the lowest tides, nor is it the half sum of the mean of all the high tides and the. mean of all the low tides, which is called the half-tide level. Mean sea level is the average height of the water, all stages of the tide being considered. It is determined from observations made by means of tidal gages placed at stations where local conditions, such as long, narrow bays, rivers, arid like features, will not affect the height...
Page 63 - COUNTY. The elevations in the following list were determined by primary leveling and accord with the 1912 adjustment.