The Earthquake Engineering Online Archive  NISEE e-Library

Identifier: Text-S25957
Title: Cavity detection and delineation research : report 4, Microgravimetric survey, Manatee Springs site, Florida
Creator(s): Butler, Dwain K.; Whitten, Charlie B.; Smith, Fred L.

Identifier: Text-S26174
Title: Cavity detection and delineation research : Report 1 : Microgravimetric and magnetic surveys : Medford Cave Site, Florida
Creator(s): Butler, Dwain K.

Identifier: Text-S33761
Title: Analytical and data processing techniques for interpretation of geophysical survey data with special application to cavity detection
Creator(s): Butler, Dwain K.