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Subject:
When was first use of the green plate on USGS topo maps?
From:
Bill Thoen <[log in to unmask]>
Reply To:
Maps and Air Photo Systems Forum <[log in to unmask]>
Date:
Thu, 12 Jun 1997 14:18:31 EDT
Content-Type:
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----------------------------Original message----------------------------
 
Does anyone know when the USGS first started using the green color on
their topo sheets (like what they use for forests)?
 
Thanks,
- Bill Thoen
  [log in to unmask]
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 ~ GISnet BBS  303-447-0927  Boulder, Colorado

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