111 In 1984, the CC-7 was designed for the specific purpose of reclaiming residual coal from clay, indigenous to strip coal-mining sites. The CC-7 featured a special basket utilizing a superior, long-wear, wire-woven screen. The technology for the CC-7 was developed through extensive laboratory testing and then proven in the field. However, the project, a joint venture with Brown Coal Company, did not meet technical and economic goals. Differences resulted in the project’s termination. 111