SCP Work Proceeds with Northern Cheyenne Tribe AEC Team 01.11.2017 Economic Development Consultants, Project Consultants for Tribes and First, Strategic Planning Consultants ShareFacebookTwitterLinkedInTumblrPinterest Confidential, more to come regarding our master plan for economic development of Northern Cheyenne tribal lands in Montana, Wyoming, and South Dakota. Tags: c-stores, living history, living stories, montana, Wyoming real estate projects