WBPHS Visibility Correction Factors, 1955-Present
The Visibility Correction Factors (VCFs) from 1955 to 2024 for the Traditional Survey Area of the Waterfowl Breeding Population and Habitat Survey. This data view presents the VCF applied for a survey species in a specific stratum and year along with the standard error of the VCF. There are no VCFs for 2020-21. 

For …