Browse TRAIL Inventories

Comparative advantages of applying several geophysical methods of prospecting to the same territory

Geophysical abstracts.

Practical rules for the use of the magnetometer in geophysical prospecting

Geophysical abstracts.

Geophysical abstracts :no. 27

Geophysical abstracts.

Geophysical abstracts.

Prospecting and exploration for sand and gravel

Geophysical abstracts.

Geophysical abstracts.

Geophysical abstracts.

Supplementary notes on core drilling in the salt beds of western Texas and New Mexico :tests 13 to 24

Induction prospecting for shallow ore deposits and small metallic objects

Geophysical prospecting for underground waters in desert areas

Prospecting for mineralization in steeply dipping beds covered by glacial till, talus, and weathered zones

A solid-state amplifier for the bridge circuit of a mercury detector

Evaluation of a radioisotopic X-ray drill-hole probe :delineation of lead ores

Calibration models for geophysical borehole logging

High-resolution seismic reflection techniques for mapping coal seams from the surface

A feasibility study of the use of surface redox measurements to detect subsurface methane, coal burns, and hydrothermal deposits


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