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25 feet 30 feet Alaska anticline Back azimuth bears beds bluff bridge bronze Cape cemented Church coal corner secs County Creek crossroads distant feet east feet north feet northwest feet south feet southeast feet west field forks of road formation four corners Geographic positions Geological ground hill inches iron post stamped Kittanning Lake Latitude limestone Longitude Lower mail box Meters mile north mile south mile west Milepost miles east miles southeast Mill Mountain northeast northwest to cross positions along highways post stamped Prim post-office probably quadrangle quarter corner rail Railroad Railway region reported River road crossing road north road south road west rock sandstone schoolhouse seam shale shows side southeast corner southwest Station mark stone Survey telephone pole thence track Trav tree triangulation station United Valley
Seite iii - SCHRADER, FC, and SPENCER, AC The geology and mineral resources of a portion of the Copper River district, Alaska.
Seite 22 - Eagle/ and in a limestone area south of the Yukon Flats.» a Collier, AJ, Tin deposits of the York region, Alaska: Bull. US Geol. Survey No. 229, 1904, p.
Seite 7 - A marble post 36 by 6 by 6 inches, set 32 inches in the ground, in the center of top of which is countersunk and cemented a bronze triangulation tablet. (Latitude, 40° 21
Seite 148 - Ellis. The line starts from an adjusted position on the Belleville quadrangle two miles west of Highland. The line follows Vandalia...
Seite 35 - University at Champaign, located by triangulation of the United States Lake Survey; follows Illinois Central Railroad to Tolono ; thence east along Wabash Railroad to Homer, connecting with Lake Survey triangulation station, Lynn Grove, and Lake Survey triangulation station chimney at Sidney ; thence by wagon road north along border of quadrangle to Thomasboro; thence southwest along Illinois Central Railroad to starting point.
Seite iii - Preliminary report on the Cape Nome gold region, Alaska, with maps and illustrations. Washington, Government Printing Office, 1900.
Seite 169 - White,* this ore largely supplied the old Winfield furnace. It is a mixture of carbonate and limonite, probably yielding from 35 to 50 per cent of metallic iron. Mr. Denny, on whose, land the ore was mined, states that it varies in thickness from 1^ to 6 feet. This same ore was mined on the hill one-half mile north of the Butler pike in western West Franklin Township for use in Buffalo furnace and is reported 2 feet thick. It is said to have yielded about 25 per cent of metallic iron. Little is known...
Seite 158 - ... closely adjacent horizon in the Mercer. At Climax the clay has a thickness of 12 feet and is composed of flint and plastic clay in varying proportions. The relations of the two kinds of clay also vary greatly; the flint clay may be at the top, middle, or bottom; it may be wanting in parts of the, bed or may make up the full thickness in others. As a rule the flint clay makes up about one-third of the whole. Only the lower part of the plastic clay is mined. The supply at St. Charles is said to...