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YANKEE GULCH SODIUM MINERALS PROJECT PIPELINE PLAN OF DEVELOPMENT 1.0 PROJECT PURPOSE AND NEED American Soda, L.L.P. (American Soda) proposes a mining operation involving development of vertical solution mining wells for the extraction of bedded and disseminated nahcolite. The project is known as the Yankee Gulch Sodium Minerals Project (Yankee Gulch Project). The proposed mining development would occur on the Yankee Gulch Joint Venture Leases (the Piceance Site), which are located in the U.S. Bureau of Land Management (BLM) White River Resource Area near Meeker, Colorado, and aze controlled by American Soda. Associated processing facilities would be located at the Piceance Site and in the Parachute Creek valley neaz Parachute, Colorado (the Parachute Site). The two sites would be connected by a 44-mile-long pipeline corridor, which would contain a sodium products pipeline running from the Piceance Site to the Pazachute Site and a pazallel return water pipeline running from the Parachute Site to the Piceance Site. The pipeline corridor route is indicated on Figure 1-1. This Plan of Development (POD) describes the methods and materials to be used for construction of the two Yankee Gulch Project pipelines. American Soda intends to install the Yankee Gulch Project pipelines in full accordance with regulatory and industry guidelines. American Soda has proposed a start date for construction and installation of the pipelines of no eazlier than January 1, 2000, and a completion date of September 1, 2000. 1.1 Proposed Pipeline Route The proposed pipeline route and general land ownership along the route are shown on Figure 1-2. Figures 1-3a through 1-3h show the pipeline route in more detail, including USGS topographic information. The pipeline route from the Piceance Site to the Pazachute Site is described as follows (please note that the milepost distances given are approximate). From the Piceance Site initial processing facility, the pipeline travels southeast to Horse Draw, which it follows off the Piceance Site to cross Piceance Creek at the existing Horse Draw/Marathon Oil Company road crossing at approximately pipeline milepost (MP) 2. The pipeline then crosses Rio Blanco County Road 5 (Piceance Creek Road) to the mouth of Hatch Gulch. The pipeline ascends Hatch Gulch for approximately 4 miles to an existing natural gas gathering line corridor (MP 6), which it follows to the east-southeast for approximately 2 miles to merge with an existing three-party gas pipeline corridor near the Greasewood Compressor Station (MP 8). Pipeline Plan of Development 1 Yankee Gulch Sodivs Mv~ereLs Project Amerimn Soda. LLP.