Re: Re[2]: Obscure State Records and References for Birds
MHoff36100@aol.com
Thu, 28 Jan 1999 15:34:21 EST
In a message dated 1/28/99 1:15:17 PM Eastern Standard Time, FROG@usgs.gov
writes:
> Yes and no. The cards primarily were used to develop a series of
> maps. Those maps were the early basis for distribution maps for many
> species and were also used to look at timing of migration. For
> example, Fred Lincoln had a famous pubication called, I think simply,
> "Bird Migration." If you look in Robbin's field guide you will also
> see these maps republished as first arrival isobars on his
> distribution maps.
>
> However, the raw cards and data themselves languish.
>
> sam