| Birch and Downs: | na = 1.000271376 | |
| Ciddor | na = 1.000271373 | |
| Bönsch | na = 1.000271374 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.