Roraima Gold

A well-established American professor of Geology is asked by the State Department to investigate goings on at an american owned gold mine in the interior of the small South American nation of Guyana. The mine is located on the border with Brazil and near the Guyana town of Lethem in the foothills of the Roraima plateau. There are a number of unusual sicknesses leading to death in the native Amerindian villages near the mine. Luke is met at the mine by hostility on the part of the American m...