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The affinities and ecology of Triassic ichthyosaurs
The resolution of the problem of ichthyosaurian affinities has been complicated and prolonged by an emphasis on the morphology of Jurassic ichthyosaurs, some 30 to 40 m.y. younger than the earliestExpand
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Ichthyosaurs (Reptilia, Ichthyosauria) from the Lower and Middle Triassic Sulphur Mountain Formation, Wapiti Lake area, British Columbia, Canada
Ichthyosaurs are found in the Lower and Middle Triassic members of the Sulphur Mountain Formation in the Wapiti Lake area, British Columbia. Three species are recognized: Pessosaurus sp. in theExpand
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Shastasaurus altispinus (Ichthyosauria, Shastasauridae) from the Upper Triassic of the El Antimonio District, northwestern Sonora, Mexico
New specimens of Shastasaurus altispinus Merriam are recognized from the Upper Triassic Antimonio Formation in the El Antimonio district of northwestern Sonora, Mexico. This represents the firstExpand
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A New Look at Mixosaurus
Publisher Summary This chapter explores different aspects of Mixosaurus. The skulls of Mixosaurus cornalianus range in length from 185 mm to 270 mm. The skull is primitive in the relatively largeExpand
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Carbon Sequestration Through Tree Planting on Agricultural Lands
One way to mitigate the effects of greenhouse gas emissions is to sequester carbon through afforestation of agricultural land. For this study, a price-endogenous agricultural sector model (ASM) wasExpand
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Economic valuation of acidic deposition damages: Preliminary results from the 1985 NAPAP assessment
This paper presents estimates of the monetary value of the biophysical damages caused by acid deposition for the National Acid Precipitation Assessment Program's 1985 Assessment. Economic damages areExpand
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Analyzing US transportation efficiency standards, beyond the National Energy Strategy (NES)
Considerable attention has been focused on increasing fuel efficiency standards through new corporate average fuel efficiency (CAFE) standards. This has been justified by its proponents on the basisExpand
Assessing the benefits of OHER (Office of Health and Environmental Research) research: Three case studies
This research was undertaken to estimate the societal benefits and costs of selected past research performed for the Office of Health and Environmental Research (OHER) of the US Department of EnergyExpand