Collected papers, Band 1

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Seite 135 - Hand-dug wells. Oil pool. An accumulation of oil In sedimentary rock that yields petroleum on drilling. The oil occurs In the pores of the rock and is not a pool or pond In the ordinary sense of these words.
Seite 29 - Planning Conference, includes the 12 counties bordering on the sound. The area is characterized as a wide valley extending south from the British Columbia line to Lewis county, and lying between the Olympic Mountains on the west and the Cascade Range on the east. The valley is cut by numerous streams flowing into Puget Sound from the mountains on each side. The land itself is rolling, with occasional level tracts, some of which are quite extensive. The soil is largely glacial, with alluvial overlay...
Seite 134 - Fault block. A part of the earth's crust bounded wholly or in part by faults. Fault scarp. The cliff formed by a fault. Most fault scarps have been modified by erosion since the faulting. Fauna. The animals that inhabited the world or a certain region at a certain time. Fissure. A crack, break, or fracture in the earth's crust or in a mass of rock. Flood plain. The nearly level land that borders a stream and is subject to occasional overflow.
Seite 133 - A mass of naturally cemented angular rock fragments. Crystalline rock. A rock composed of closely fitting mineral crystals that have formed in the rock substance as contrasted with one made up of cemented grains of sand or other material or with a volcanic glass. Diabase. A heavy, dark, intrusive rock having the same composition as basalt, but, on account of its slower cooling, a more crystalline texture. Its principal constituent minerals are feldspar, augite, and usually olivine. Olivine is easily...
Seite 135 - Rocks formed by the accumulation of sediment in water (aqueous deposits) or from air (eolian deposits). The sediment may consist of rock fragments or particles of various sizes (conglomerate, sandstone, shale); of the remains or products of animals or plants (certain limestones and coal); of the product of chemical action or of evaporation (salt, gypsum, etc.); or of mixtures of these materials. Some sedimentary deposits (tuffs) are composed of fragments blown from volcanoes and deposited on land...
Seite 90 - Population 319,198. & . feet above sea level, were probably in part carved by the waves of the ocean. The situation of these terraces and their equable climate (mean temperature, January 54°, August 72°) have made Los Angeles and its sister city, Pasadena, two of the most attractive home cities in the world. The Pueblo de Nuestra Senora la Reina de los Angeles (city of Our Lady the Queen of the Angels) was founded by the Spaniards in 1781, and the Plaza Church marks the site of the old village....

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