For a jumping off point, try:
http://www.brynmawr.edu/Acads/Geo/SenSem/Surbeck1/titlepage.html
It starts with a poem about the dust bowl, has an annotated bibliography,
AND has other web links (including the one mentioned by another reader in
response to your request.)
 
On Fri, 17 Oct 1997, Mary L. Maniery wrote:
 
> Does anyone know of a good web site or source for info on dust bowl migration
> to California?  This is for an 8th grade history project.  I appreciate any
> leads, since our local libraries have come up empty.  Thanks in advance.
>
> Mary Maniery
> [log in to unmask]
>