46. Officers of the Bureau or any person authorized in writing by the Bureau may for the purpose of carrying out geological and mineral investigations
(a) enter upon and occupy any land whatsoever with such persons, machinery, equipment and materials as are necessary for such purpose ; |
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(b) break up the surface of any part of such land and take and carry away samples or specimens of the soil, rock or minerals in, on or, under such land ; |
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(c) excavate, bore or drill such land and fix any post or other object thereon ; or |
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(d) enter upon and pass through any land which it may be necessary to pass for the purpose of carrying out such investigation : |
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