However, these critically important areas, have recently been beleaguered by an extensive variety of external threats -- grazing, logging, tourism construction, hunting, prospecting, motorised recreation.
www.echo.net.au Gold mining and prospecting continues in the area to this day, as do prospects for copper, silver and nephrite jade, though not to the same extent.
en.wikipedia.org He also devised an improved seismograph and created the field of geological prospecting using small, artificially-created earthquakes.
en.wikipedia.org Derisory fees are charged by the government for prospecting licences ($25.50) and exploration permits (nil), in keeping with the duty of economic development of the province.
en.wikipedia.org Prospecting operations will be aimed at locating concentrations of extractable lunar gems and minerals.
en.wikipedia.org