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Kaweah River Rock Co is a Woodlake, CA-based company in the Agriculture and Mining sector.
Guyana Goldfields Inc. is a Toronto, ON-based company in the Agriculture and Mining sector.
Alpha Natural Resources is a large American producer of metallurgical and thermal coal. It also provides services relating to equipment repairs, road construction and logistics (terminals). It doesn't produce all of the coal it sells, some is purchased and resold. Alpha operates in Virginia, West Virginia, Kentucky, Wyoming, Utah, Illinois, Tennessee, and Pennsylvania.
Prospectors and Developers Association of Canada is a Toronto, ON-based company in the Agriculture and Mining sector.
Great Panther Mining Limited is an intermediate gold and silver mining and exploration company listed on the Toronto Stock Exchange trading under the symbol GPR, and on the NYSE American under the symbol GPL. Great Panther operates three mines including the Tucano Gold Mine in Amapá State, Brazil, and two primary silver mines in Mexico: the Guanajuato Mine Complex and the Topia Mine. Great Panther also owns the Coricancha Mine in Peru and, having executed a successful bulk sample mining program in accordance with the May 2018 PEA for the project restart, the Company is establishing the conditions under which a restart of production can be implemented.