It is available for free download here
This page links to a document in portable document format (*.pdf)
showing
the hydrostratigraphic column for the Local Water Quality District in
Gallatin
County, Montana. To view this document, you must have Adobe
Acrobat
Reader installed on your computer.
It is available for free download here
If you already have a reader and want to view the hydrostratigraphic
column please click on the hot link.