USGS

Characteristics of Fractures in Crystalline Bedrock Determined by Surface and Borehole Geophysical Surveys, Eastern Surplus Superfund Site, Meddybemps, Maine

U.S. Geological Survey, Water-Resources Investigations Report 99-4050

by Bruce P. Hansen, Janet Radway Stone, and John W. Lane, Jr.


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The full report is 3.66 MB.

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Sections available in pdf:

Section 1 -- 2.14 MB

Abstract

Introduction

Description of Study Area

Acknowledgments

Geophysical-Survey Methods

Azimuthal Square-Array Resistivity

Acoustic Televiewer

Borehole Video

Single-Hole Directional Radar

Fracture Orientation and Relative Distribution Determined by Geophysical Methods

Azimuthal Square-Array Resistivity

Acoustic Televiewer

Section 2 -- 1.94 MB

Single-Hole Directional Radar

Integrated Fracture Orientation

Correction of Fracture Density

Water-Yielding Fractures

Orientation and Distribution

Hydraulic Characteristics

Summary and Conclusions

References

 


 

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