نتایج جستجو برای: abandoned mines

تعداد نتایج: 16266  

Journal: :Journal of Degraded and Mining Lands Management 2021

The rehabilitation of abandoned mines begins with the characterization and ranking these mines. Based on this, countries, organizations, individual researchers have developed tools for rehabilitation. This paper comments issues which include their definition problems they possess. It then critically examines criteria used by different to prioritize showed that there is a sharp increase in numbe...

2017
Christine Samuel-Nakamura Wendie A. Robbins Felicia S. Hodge

The objective of this study was to determine uranium (U) and other heavy metal (HM) concentrations (As, Cd, Pb, Mo, and Se) in tissue samples collected from sheep (Ovis aries), the primary meat staple on the Navajo reservation in northwestern New Mexico. The study setting was a prime target of U mining, where more than 1100 unreclaimed abandoned U mines and structures remain. The forage and wat...

Journal: :Environmental Health Perspectives 1979
R D Hill E R Bates

The increases above 1975 levels for acid mine drainage and subsidence for the years 1985 and 2000 based on projections of current mining trends and the National Energy Plan are presented. No increases are projected for acid mine drainage from surface mines or waste since enforcement under present laws should control this problem. The increase in acid mine drainage from underground mines is proj...

Journal: :International Journal of Environmental Research and Public Health 2020

Journal: :International Journal of Hygiene and Environmental Health 2007

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