An official website of the United States government
Here’s how you know
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.
Updated: 2025-06-01
|Harvested: June 25, 2025 at 07:47 PM
These data were generated by the work of many different field crews (2011-2024) who visited each unit each year collecting information on the condition of selected resources (Vital Signs). The...
Updated: 2025-06-01
|Harvested: June 25, 2025 at 07:47 PM
These data were generated by the work of many different field crews (2011-2024) who visited each unit each year collecting information on the condition of selected resources (Vital Signs). The...
Updated: 2025-06-01
|Harvested: June 25, 2025 at 07:47 PM
These data were generated by the work of many different field crews (2011-2024) who visited each unit each year collecting information on the condition of selected resources (Vital Signs). The...
Updated: 2025-06-01
|Harvested: June 25, 2025 at 07:48 PM
These data were generated by the work of many different field crews (2011-2024) who visited each unit each year collecting information on the condition of selected resources (Vital Signs). The...