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You might try some of the major colleges in the LA area. Their libraries
ans geology departments may have the old maps. Nothing gets thrwon out.
Some might have scans of them on line. In the east, I believe Cornell U has
a lot of 15 minute quads of NY state.
"Pierre A Plauzoles" <plauzolesp@xxxxxxxxxxxxx> wrote in message
news:43fe2749$0$25085$822641b3@xxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hello.
>
> Two quesztions: 1/ SOme time back (probably in the vicinity of sixty to
> seventy years), the Los Angeles area (among others?), was covered by 15'
> and 6' topographic quadrangles. Of course, both are now history, but
> does anyone have copies in their archives? I realize that the L A
> Public Library most likely has the Sawtelle 6' Quad, but do they also
> have the 15' quad? I have consulted maps that are filed in the same
> area, and although there was at least one old map (dated before 1950)
> covering part of the West Los Angeles area on one of the cabinets, I
> don't think that Sawtelle was one of them. Curious, I checked the
> drawer but failed to find either one where they should have been filed.
>
> 2/ There was a rumor some two to four years ago, maybe a bit more,
> according to which a 1:100K geologic map of the Amboy 30x60' Quad was
> being prepared for presentation at a geological association meeting
> (AAPG?, GSA?, ...?) later that year. Is this in fact the case, or was I
> led to believe the Amboy, Califoronia quad was being done when it was in
> reality a quad of the same name in another state that was being done?
> Either way, I would appreciate someone telling me what is abailable in
> the area of Amboy, Amboy Crater and the Bullion and Marble Mountains in
> southern California's Mojave Desert. I just checked the USGS website,
> but all that is shown are the Lavic, Lavic SE and Ludlow 7.5" Quads (a
> little over ten miles west of my area of interest).
>
> Thank you for whatever input any of you may be able to share.
>
> Pierre A Plauzoles
> sphinxangelorum@xxxxxxxxxxxxx
>
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