00324nam a2200097Ia 4500080001800000100001700018245007100035260003600106520006600142583001800208  a08.13.01 L784  aLivan, Karen  aChallenge of sustainable small (and medium) scale mining in Guyana  bA.A. BalkemaaRotterdamNLc2000  aFocuses on miningin Guyana and its impact on the environment.  c2/6/01kJOY_D