2013 Montana Code Annotated
Title 85. WATER USE
CHAPTER 3. ATMOSPHERIC WATER WEATHER MODIFICATION
Part 1. General Provisions
85-3-101. Definitions.

85-3-101. Definitions. Unless the context requires otherwise, in this chapter, the following definitions apply: (1) "Department" means the department of natural resources and conservation provided for in Title 2, chapter 15, part 33. (2) "Operation" means the performance of weather modification and control activities entered into for the purpose of producing or attempting to produce a certain modifying effect within one geographical area over one continuing time interval, not exceeding 1 year. (3) "Research and development" means theoretical analysis, exploration, and experimentation and the extension of investigative findings and theories of a scientific and technical nature into practical application for experimental and demonstration purposes, including the experimental production and testing of models, devices, equipment, materials, and processes. (4) "Weather modification and control" means changing or controlling or attempting to change or control, by artificial methods, the natural development of atmospheric cloud forms or precipitation forms that occur in the troposphere.

History: (1), (2), (4), (5)En. Sec. 1, Ch. 20, L. 1967; amd. Sec. 1, Ch. 368, L. 1973; amd. Sec. 140, Ch. 253, L. 1974; Sec. 89-310, R.C.M. 1947; (3)En. Sec. 10, Ch. 20, L. 1967; amd. Sec. 5, Ch. 460, L. 1977; Sec. 89-319, R.C.M. 1947; R.C.M. 1947, 89-310, 89-319(2); amd. Sec. 468, Ch. 418, L. 1995.