8. SUMMARY AND CONCLUSIONS 117 



9. REFERENCES 120 



APPENDIX A. 1 Algorithms for Performing Power Law 



Regression Analysis 124 



A. 2 FORTRAN Software for Weighted log-log 



Fit 131 



A. 3 FORTRAN Software for Iterative linear- 

 linear Fit 132 



APPENDIX B.l Algorithm and Performance Tests for 



Amplitude Spectrum Province Picker 135 



B.2 FORTRAN Software for Province Picker 149 



APPENDIX C.l Linear Combination of Sinusoids of 



Identical Wavelength 178 



C.2 FORTRAN Software for Iterative Sinusoid 



Fit 181 



APPENDIX D. FORTRAN Software for Computing Pre- 



Whitened Spectra 185 



APPENDIX E. Azimuthally Dependent Variations of Spectra 

 Derived from Artificially Generated 

 Anisotropic Surfaces 202 



DESCRIPTION OF TERMS 215 



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