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  • Late Pleistocene depositional systems of Metropolitan Toronto and their engineering and glacial geological significance
  • The Los Azufres, Michoacan, Mexico, geothermal field in Hydrogeothermal studies. 26th International geological congress.
  • Identification and analysis of the alignements of point-like features in remotely-sensed images in Special issue : Advances in geological remote sensing.
  • The history of explorations, the geologic background and the localities of oil-fields are described and mapped. The activity of the PEMEX/Petroleos Mexicanos/is summarized. (DLO).
  • Yhdysvaltain luoteisosan geologinen kehitys ja Columbia-joen altaan suuret luonnonkatastrofit. (Geological evolution of the northwestern United States and catastrophic events in the Columbia River Basin)
  • The well known Clovis and Plainview paleo-indian sites of New Mexico and Texas have yielded new data on regional late Quaternary geologic, paleoclimatic, and pedologic histories.
  • Along the nival-arid axis an association of glacial landforms is described pointing to an important glaciation in Southern Peru. Plate 8, a detailed generalized reduction, was compiled from geological and topographical 1 : 100,000 maps, offering
  • a comparative overview of the entire area and promoting an integrative map interpretation. Of the topographical maps, figure 4 shows most impressively a terminal moraine at an elevation of 2,800 m a. s. l. Peruvian geological commentaries on the area explicitly
  • The chemistry of water in the Cambrian-Ordovician aquifer in six midwestern states has been studied as part of the Northern Midwest Regional Aquifer-System Analysis of the US Geological Survey. The differences in isotopic ratios between groundwater
  • The Pleistocene outburst floods from glacial Lake Missoula, known as the Spokane Floods, released as much as 2 184 km of water and produced the greatest known floods of the geologic past. A computer simulation model for these floods that is based
  • A geological analysis of the radiocarbon ages obtained by the AA. on different Holocene sea-level deposits of neighbouring areas located in the same morphostructural unit (Colorado River Basin) is presented. It is assumed that variations
  • Voluminous and widespread tephras were produced frequently during the last 36,000 yr of volcanic activity at Mount St. Helens. Numerous tephra sets have been defined by D. R. Mullineaux, J. H. Hyde, and M. Rubin (1975, U. S. Geological Survey