Okla. Stat. tit. 82, § 82-1087.2

As used in this act, unless the context requires otherwise:

1. "Board" means the Oklahoma Water Resources Board;

2. "Operation" means the performance of weather modification

and control activities pursuant to a single contract entered into

for the purpose of producing, or attempting to produce, a certain

modifying effect within one specified geographical area over one

continuing time interval not exceeding one (1) year, or, if the

performance of weather modification and control activities is to be

undertaken individually or jointly by a person or persons to be

benefited and not undertaken pursuant to a contract, "operation"

means the performance of weather modification and control activities

Oklahoma Statutes - Title 82. Waters and Water Rights Page 269

entered into for the purpose of producing, or attempting to produce,

a certain modifying effect within one specified geographical area

over one continuing time interval not exceeding one (1) year;

3. "Research and development" means theoretical analysis,

exploration and experimentation and the extension of investigative

findings and theories of a scientific or technical nature into

practical application for experimental and demonstration purposes

including the experimental production and testing of models,

devices, equipment, materials and processes; and

4. "Weather modification" or "weather modification and control"

means changing or controlling, or attempting to change or control,

by artificial methods the natural development of any or all

atmospheric cloud forms or precipitation forms which occur in the

troposhere.