NM CID GF-3 Practice Questions - New Mexico CID GF-3 Canals, Reservoirs Or Irrigation Systems Contractor Examination Exam

The main purpose of lining an irrigation canal is to:

Increase seepage so adjacent fields are subirrigated Reduce seepage losses, control weeds, and protect the canal prism Eliminate the need for freeboard Replace the headgate structure

Correct Answer:

Reduce seepage losses, control weeds, and protect the canal prism

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