A Dictionary of Altitudes in the United States |
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Common terms and phrases
abutment of Bridge aluminum tablet Appalachian Club Authority bolt in east bolt in north bolt in stone bowlder bronze tablet C. R. R. of N. J. chisel mark Church Coos County copper bolt corner court-house Creek cross cut cut on doorsill Do..aluminum tablet Do..bronze tablet Do..copper bolt Do..cross cut Do..crossing Do..iron post Do..square cut Elevation Engineer Corps Feet G. N. Rwy geodetic station Hamilton County Hancock County Hayden Herkimer County high water Hill Hotel I. C. Rwy iron post Island Junction K. C. S. Rwy Knob L. S. W. Rwy Lake Locality low water Mariposa County Mill Mount Mountain N. P. Rwy north of station Park Peak Pond post-office Powell Railway Rock S. F. Rwy S. P. Co Saint San Bernardino County schoolhouse Springs square cut Summit tablet on foundation Union Station Valley wall water surface water table Weather Bureau west of station yard YORK-Continued
Popular passages
Page 11 - These elevations have been determined by the best means available; that is, by connection with lines of precise levels, with railroad levels where practicable, or, in default of these, by barometric observations. WHEELER, CAPT. GEORGE M. To this authority are credited all elevations determined by the United States Geographical Surveys West of the One Hundredth Meridian. Nearly all the work is either barometric or trigonometric depending upon barometric bases. WHITNEY, PROF. JD Under this authority...
Page 8 - Hiver to the Pacific. All the work is barometric and, taken as a whole, is poor, owing mainly to the fact that, practically, there were no barometric base stations. The hypsometric work of the expedition near the northern boundary, under Governor Stevens, was particularly bad. These remarks concerning the quality of the work apply equally well to all the earlier expeditions to the West, owing doubtless to the same cause. PARRY, PROP.
Page 8 - ... Paul, across to Lake Superior at Duluth, and to Lake Michigan at Chicago. MISSOURI RIVER COMMISSION (MO. RIVER COM.). These elevations were determined by a line of precise leveling which extends up the river from its mouth to the three forks in Montana. MULLAN, CAPT. JOHN. Explorations for a Wagon Road from Walla Walla to Fort Benton, 1862. All heights were determined barometrically. NEW JERSEY GEOLOGICAL SURVEY (NJGS). Elevations given under this head were determined by lines of accurate leveling...
Page 6 - Barometric determinations abstracted from a " Report of Explorations from Fort Leavenworth to San Diego," 1846. [30th Congress, 1st session, Senate Document.] FOSTER AND WHITNEY. Barometric determinations from the report on Lake Superior mining region. FREMONT, CAPT.
Page 11 - A vast number of elevations are credited to this source. They have been determined by various means, but almost entirely by trigonometric methods and by level lines. Elevations of mountains, hills, and other points used as triangulation stations have, as a rule, been determined by trigonometric methods. Elevations of towns, railway stations, and the like have commonly been determined by spirit leveling, most of which is of sufficient accuracy to be classed as precise. Since the year 1895 the leveling...
Page 7 - Heights were abstracted from the map of the Black Hills. All determinations are barometric. JONES, CAPT. w. A. Report of Expedition to Northwestern Wyoming and the Yellowstone Park, 1873. All determinations are barometric. KING, CLARENCE. This reference is mainly to the work of the Geological Exploration of the 4()th Parallel. All determinations are barometric, or depend upon barometric bases. LANDER. Heights are taken from " Eeport on a Railroad Route from Puget Sound to South Pass.
Page 10 - RAYNOLDS, CAPT. WF . Under this authority are given the hypsometric results of the expedition of Captain Raynolds to the country about the sources of the Snake and Missouri rivers in 1860-61. All the work is barometric. SIMPSON, CAPT. JH Eeconnoissance in Navajo country, 1849 (Thirty-first Congress, first session, Senate Doc. 6); and explorations in the Great Basin of Utah, 1859, published in 1876.
Page 6 - These consist of barometric determinations abstracted from a Report of Explorations from Fort Leavenworth to San Diego, 1846. (Thirtieth Congress, first session, Senate document.) FREMONT. These are barometric determinations compiled from reports of the various expeditions of Fremont in the West. Owing to the want of a barometric base they are, in general, of poor quality. GEOLOGICAL SURVEY OF NEW YORK (G.
Page 10 - Under this autnority are given the hypsometric results of the expedition of Captain Raynolds to the country about the sources of the Snake and Missouri rivers in 1860-61. All the work is barometric. SIMPSON, CAPT. j. H. Reconnaissance in Navajo Country, 1849 (Thirty-first Congress, first session, Senate Document No. 6), and Explorations in the Great Basin of Utah, 1859, published in 1876.
Page 9 - Commissions. The errors due to careless connections between divisions and sections of roads, which were mentioned in former editions as a leading source of error, have been very largely eliminated in later profiles. Acknowledgment in detail of indebtedness for this material would render necessary a list of nearly all the leading railroad engineers of the country, and want of space forbids that.