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Page 5803, results 145051 - 145075

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Publication Extents

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A study of suitability of Dacca clays for light-weight aggregate production in East Pakistan
M. A. Maroof Khan, Norbert A. Parker
1968, Open-File Report 68-176
The following report covers field work and muffle furnace tests on clays in the immediate vicinity of Dacca, East Pakistan, to determine clay amenability to bloating for the commercial production of light-weight aggregates. It has been established that such clays exist in at least three areas; reserves are sufficient in...
Infrared survey of the Pisgah Crater area, San Bernardino County, California - a geologic interpretation
Stephen J. Gawarecki
1968, Open-File Report 69-104
The infrared survey of the Pisgah Crater Area, San Bernardino County, California was primarily undertaken to establish parameters by which rock types, structures, and textures peculiar to this locale could be recognized or differentiated. A secondary purpose was to provide an adequate evaluation and calibration of airborne and ground-based instruments...
The geologic classification of the meteorites
Donald Parker Elston
1968, Open-File Report 68-97
The meteorite classes of Prior and Mason are assigned to three proposed genetic groups on the basis of a combination of compositional, mineralogical, and elemental characteristics: l) the calcium-poor, volatile-rich carbonaceous chondrites and achondrites; 2) the calcium-poor, volatile-poor chondrites (enstatite, bronzite, hypersthene, and pigeonite), achondrites (enstatite, hypersthene, and pigeonite), stonyirons...
Uses of conventional aerial photography in urban areas - review and bibliography
Ashraf S. Manji
1968, Open-File Report 68-175
This paper is divided into two parts. Part I presents a review of some of the past uses of aerial photography in urban areas. The empirical studies reviewed are divided into two broad categories depending on whether inventory compilation is by direct or indirect observation. Studies using inventory by direct...