Alaska, Hawaii, Puerto Rico and the U. S. Virgin Islands
HA 730-N

Hawaii Volcanic-rock aquifers

There are two different files for each illustration

A 72 ppi GIF file, suitable for screen viewing is accessed through the thumbnail image.
An eps file, suitable for downloading to be printed or edited is accessed through the "eps file" link. Most files are Adobe Illustrator 6.0, exceptions are noted. These files have been compressed with GNU's gzip utility. If your web browser defaults to a screen display of the file, turn on the "Load to local disk" option before downloading. Download and process these eps files as ascii, not binary.

Ground-Water Occurrence and Movement

Figure 47 Photograph showing pahoehoe lava (40K)
editable eps file N047.eps.gz (5.7M compressed)

Figure 48 Photograph showing aa lava (34K)
editable eps file N048.eps.gz (5.2M compressed)

Figure 49 Photograph showing a typical sequence of lava flows (35K)
editable eps file N049.eps.gz (5M compressed)

Figure 50 Diagrammatic section showing stratified sequences of lava flows (29K)
editable eps file N050.eps.gz (508K compressed)

Figure 51 Photograph showing dikes which can impede the movement of ground water through volcanic rock (34K)
editable eps file N051.eps.gz (5.4M compressed)

Figure 52 Photograph showing saprolite (41K)
editable eps file N052.eps.gz (6.5M compressed)

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