Huron investment company Aurora, Colorado feats default from Huron Investment Co. over purchase of water rights for High Chapparrel Ranches, Inc. Post D 21, 1975 p.3 Herbert Williams, founder of Huron Investment and High Chaparrel Ranches, Inc* leaves trouble-plagued companies. Post D 22, 1975 p.21 Aurora officials rejected 2 proposals of Huron Investment to forego making a $300,000 interest payment on a $6 million water rights contract. Post F 4, 1976 p.17 RMN F 4, 1976 p.15,