https://tc.canada.ca/en/aviation/reference-centre/airworthiness-notices/airworthiness-notice-b057-edition-1-5-september-2000
Airworthiness Notice - B057, Edition 1 - 5 September 2000
airworthinessnoticeeditionseptember
https://gis.data.ca.gov/datasets/CDFW::cattle-egret-predicted-habitat-cwhr-b057-ds2044
Cattle Egret Predicted Habitat - CWHR B057 [ds2044]
CWHR Predicted Habitat Suitability. This dataset represents areas of suitable habitat within the species ranges based on California Wildlife Habitat...
cattle egretpredictedhabitat