[postgis-users] postgis, postgresql and geological data

[Philip Riggs]

I used to work for an environmental engineering firm and we kept this 
sort of data in a database using GIS\Key, a horrible (unless they have 
since improved it) system. But it kept borehole data (lat-long, depth 
to water, substrate type and distance interval below surface) and you 
could add any chemical analysis of water samples related to the 
borehold id. USGS data is way too generalized to give the accuracy a 
geologist records for each hole drilled. Before you go this route, you 
should check on state accuracy requirements. The state may prefer no 
data to bad data in this regard.

Philip D Riggs