Index Catalog // Hyrax

An evaluation of culverts on low volume forest roads in the Oregon Coast Range

Schöpfer:: Piehl, Bradley T.
Abstract:: WRRI 106 is placeholder for the research findings of Project No. G-928-03 funded by U.S. Dept. of the Interior, Geological Survey. Findings are available in Piehl, Bradley T. (1986) An evaluation of culverts on low volume forest roads in the Oregon Coast Range (Masters Thesis, Oregon State University. Forest Engineering)...
Resource Type:: Masters Thesis

The development and application of benthic classifications for coral reef ecosystems below 30 m depth using multibeam bathymetry : Tutuila, American Samoa

Schöpfer:: Lundblad, Emily Ruth
Abstract:: Coral reef ecosystems are the most diverse on earth, and their subsistence is being threatened by natural and adverse anthropogenic patterns and processes. In an effort to understand and protect these marine environments, several programs have outlined strategies and initiatives. For example, the United States Coral Reef Task Force’s Mapping...
Resource Type:: Masters Thesis

Geology of the southernmost Deschutes basin, Tumalo quadrangle, Deschutes County, Oregon

Schöpfer:: McDannel, Angela K.
Abstract:: The Tumalo quadrangle lies approximately 30 kilometers behind the Cascade volcanic arc and marks the southernmost extent of continuously exposed Deschutes Formation rocks. Deschutes Formation rocks in the Tumalo quadrangle include late Miocene volcaniclastic sedimentary rocks, ignimbrites and lapillistones, and late Miocene to early Pliocene basalts and basaltic andesites. Volcaniclastic...
Resource Type:: Masters Thesis

The Deschutes Formation-- High Cascade transition in the Whitewater River area, Jefferson County, Oregon

Schöpfer:: Yogodzinski, Gene M.
Abstract:: The Whitewater River area is located directly east of Mt. Jefferson in the Cascades of central Oregon. Approximately 90 mi2 (230 km2) were mapped (scale 1/24,000) and four new K-Ar ages and 151 major element analyses were obtained in a study of the stratigraphic and magmatic transition from the Miocene...
Resource Type:: Masters Thesis

Biostratigraphy, depositional environments, and paleogeography of Lower and Middle Devonian rocks, Death Valley area, California

Schöpfer:: Heironimus, Thurman L.
Abstract:: During Early and Middle Devonian time, the main part of the Death Valley area was characterized by shallow marine shelf position. In the extreme western part, deposition took place in carbonate slope environments. Early and Middle Devonian eastern platform dolomites, represented by uppermost Hidden Valley Dolomite and lower Lost Burro...
Resource Type:: Masters Thesis

Volcanic stratigraphy of the Deschutes Formation, Green Ridge to Fly Creek, north-central Oregon

Schöpfer:: Conrey, Richard M.
Abstract:: About 225 lava flows and ash-flow tuffs of the Deschutes Formation (DF) were mapped at Green Ridge. The units fill east-trending paleovalleys which "sky-out" westward and dip east; the eastward dip of the units decreases as they are traced eastward. The source of the units was west of Green Ridge...
Resource Type:: Masters Thesis

Stratigraphy and sedimentology of the middle eocene Cowlitz Formation and adjacent sedimentary and volcanic units in the Longview-Kelso area, southwest Washington

Schöpfer:: McCutcheon, Mark S.
Abstract:: Geologic mapping of the Longview-Kelso area and the measurement and description of a composite 650-meter thick stratigraphic section of the Cowlitz Formation (Tc) in Coal Creek using bio-, magneto-, litho-, and sequence stratigraphy reveals a complex interplay of Cowlitz micaceous, lithic arkosic shelf to tidal/estuarine to delta plain facies associations,...
Resource Type:: Masters Thesis

Stratigraphy, petrology and provenance of the Cretaceous Gable Creek Formation, Wheeler County, Oregon

Schöpfer:: Little, Stephen W.
Abstract:: The Mitchell inlier in north-central Oregon contains the largest exposure of Cretaceous marine sedimentary rocks in this region. Nearly 9,000 ft of Albian-Cenamanian rocks are exposed along the flanks of the Mitchell anticline. The Cretaceous section rests unconformably overlain by Tertiary volcanic rocks. The Cretaceous rocks have previously been divided...
Resource Type:: Masters Thesis

A survey on continuous-time modulators : theory, designs and implementations

Schöpfer:: Gao, Xiaoran
Abstract:: Recently, delta-sigma modulation has become a widely applied technique for high-performance analog-to-digital conversion of narrow-band signals. Most of the early designs used discrete-time structure for good accuracy and good linearity. The transfer functions are independent of the clock frequency. However, high unity-gain bandwidths of the opamps are required to satisfy...
Resource Type:: Masters Thesis

Indian apparel consumption : a cross-cultural comparison of first generation Indian and the second-generation Indian American females

Schöpfer:: Kaur, Jatinder
Abstract:: The increased ethnic diversity of the U.S. population, including an increase of Indian immigrants, calls for an investigation of the Indian apparel consumption differences among first generation Indians and second generation Indian American females within the United States market. This study examined the Indian apparel consumption behavior of two levels...
Resource Type:: Masters Thesis

Hyrax

An evaluation of culverts on low volume forest roads in the Oregon Coast Range

The development and application of benthic classifications for coral reef ecosystems below 30 m depth using multibeam bathymetry : Tutuila, American Samoa

Geology of the southernmost Deschutes basin, Tumalo quadrangle, Deschutes County, Oregon

The Deschutes Formation-- High Cascade transition in the Whitewater River area, Jefferson County, Oregon

Biostratigraphy, depositional environments, and paleogeography of Lower and Middle Devonian rocks, Death Valley area, California

Volcanic stratigraphy of the Deschutes Formation, Green Ridge to Fly Creek, north-central Oregon

Stratigraphy and sedimentology of the middle eocene Cowlitz Formation and adjacent sedimentary and volcanic units in the Longview-Kelso area, southwest Washington

Stratigraphy, petrology and provenance of the Cretaceous Gable Creek Formation, Wheeler County, Oregon

A survey on continuous-time modulators : theory, designs and implementations

Indian apparel consumption : a cross-cultural comparison of first generation Indian and the second-generation Indian American females

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