TY - RPRT TI - Basalt-flow imaging using a high-resolution directional borehole radar AU - C.W. Moulton AU - D.L. Wright AU - S.R. Hutton AU - D.V.G. Smith AU - J.D. Abraham PY - 2002 DO - 10.1117/12.462208 UR - https://pubs.usgs.gov/publication/70025061 ID - 70025061 ER -