41. With the exception of carbonate rocks and gemstones, the country's mineral resources were largely unexploited . 42. Unexploited saltpeter fields were transferred to the state, further private investments in the nitrate industry was forbidden.43. But Windhom figures that, with tobacco wood, he has latched onto a distinctive yet largely unexploited market. 44. They may try to gauge the unexploited potential of a brand name, from Coca-Cola to Playboy. 45. Overall, opportunities to genuinely make something serious out of the film's racial issues remain frustratingly unexploited . 46. The unexploited Soviet resources tended to be located in Siberia, where extraction and transport were difficult and costly. 47. It is estimated that about 70 % of the overall hydroelectricity potential of the country, is still unexploited . 48. Zook divides these assets in three categories : undervalued business platforms, unexploited customer assets, and underutilized capabilities. 49. Since World War II, pykrete has remained a scientific curiosity, unexploited by research or construction of any significance. 50. Despite the current changes in land use, Cal Madow has internationally valuable unexploited mineral deposits and unique natural habitats.