Power to enter upon, examine and clear obstruction on lands.

For the purposes of any survey, inquiry or other proceedings under this Act, the survey officer or the District Collector or any of the subordinates of such officers shall have power to enter upon, examine and measure any land under survey and to clear by cutting down or removing any trees, jungle, fences, standing crops or other material obstructions, the boundaries or other lines the clearance of which may be necessary for the purposes of the survey.