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  • Effects of iron mining on surface water quality in the Shefferville area
  • Canada ; Drainage ; Eau superficielle ; Fer ; Géographie de l'Amérique ; Industrie extractive ; Mine ; Pluie acide ; Pollution ; Pollution atmosphérique ; Pollution de l'eau ; Qualité de l'eau ; Québec ; Shefferville
  • L'étude conclut que l'exploitation des mines de fer n'a pas d'effet toxique sur la qualité des eaux. Le risque de pluie acide, par contre, n'est pas à exclure.
  • Action anthropique ; Appalachian Mountains ; Bassin-versant ; Charbon ; Cours d'eau ; Erosion des sols ; Etats-Unis ; Géographie de l'Amérique ; Géomorphométrie ; Mine ; Pennsylvania ; Schiste bitumineux
  • Stream response to surface coal mining and reclamation was studied in 29 small watersheds located in the bituminous coal fields of Central Pennsylvania. Observed differences in channel morphology were related to differences in extent of mining
  • by means of scatter plots, correlation, cluster analysis and bivariate regression. For streams that have exceeded threshold levels, disequilibrium is demonstrated by a strong, positive correlation between local stream slope and basin area.
  • A historical pictorial of the Mammoth Lakes Area just East of Yosemite National Park and including scenes of mining, ranching, logging, transportation, and landscapes. Most pictures pre-1940. Text and photographes give a feeling for life
  • étranger ; Jamaïque ; Mine ; Stratégie de développement
  • Institute of British Geographers. Study Group on Industrial Activity and Area Development, Royaume-Uni
  • structure industrielle est étroitement limitée et ce sont les industries orientées vers les mines, la forêt et les ressources agricoles qui dominent. Peu de liens industriels, peu de diversification et de décentralisation, enfin peu d'innovation
  • Institute of British Geographers. Study Group on Industrial Activity and Area Development, Royaume-Uni
  • Child morbidity in the Kingston Metropolitan Area, Kingston 1983
  • The case reports of all children admitted to public and private hospitals in the Kingston metropolitan area were examined for an analysis, by special areas, of spatial variations in child morbidity. A Poisson probability test was applied in order
  • to determine areas of significant excesses in admission rates and three special areas selected for a child health survey.
  • Economic value of recreation areas: the case of Saskatchewan parks
  • El Estudio de areas marginales en Venezuela
  • Demanda por alimentos na area metropolitana de Salvador
  • Crime in urban areas: new evidence and results
  • Peasants and bureaucracy in Chilean agrarian reform in Anthropology and social change in rural areas.
  • Policies for nonmetropolitan areas
  • An inventory and evaluation of natural areas in San Diego County
  • Of the 64 public and private preserves inventoried in the desert, mountains and coast of this county, 32 of them were classified as well preserved , which included 16 % of the total county area in which now live 2 million people. - (DWG)
  • Tourist developments in the Kananaskis Valley area, Alberta, Canada, and the impact of the 1988 Winter Olympic games
  • On the eastern slope of the Rocky Mountains, the Province of Alberta has developed a recreational area that has relieved pressures on the adjacent national parks but which, in turn, has created some negative environmental effects. - (DWG)
  • Stream water quality in a mountain recreation area
  • Surface waters in and near the Indian Peaks Wilderness area in Colorado, USA vary seasonally and locationally in chemical and biological constituents. The level of inorganic nutrients depends on stream flow. - (DWG)
  • Energia eléctrica en el area metropolitana in Contribuciones cientificas.
  • Late Quaternary stratigraphy, sedimentology, and history of the Jasper townsite area, Alberta, Canada
  • Industrial diversity and economic performance in U.S. areas
  • Suburbanization of higher income Blacks in major metropolitan statistical areas
  • Area metropolitana de Montevideo L'aire métropolitaine de Montevideo