Correspondence from Carolyn D. Williams to Melissa Kangas
Williams CD. 1999. To: Kangas M. Re: Correspondence from Carolyn D. Williams to Melissa Kangas
A letter with attachments including summary information for the 1999 Northern Virginia Bird Survey counts at Great Falls Park and Dyke Marsh. Also included are the following: survey instructions, field maps with marked points, descriptions of survey point locations, table of population and distribution information by species, the summary table of the survey.