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