Your layer, anyboby's layer, you can always overlap it with US county layer, state, zipcode, census block etc administrative layers
Look up USGS protected area pad by state, click here use their official map explorer
https://maps.usgs.gov/padusdataexplorer/#/protected-areas
But how about by county?
https://transparentgov.net/json2tree/datahub.io/hrsa/bycounty.html?backgroundlayerurl=https%3A%2F%2Fgis.usgs.gov%2Fpadus%2Frest%2Fservices%2Fpadus3%2FManager_Type%2FMapServer%2F0&select_level1value=6&select_level2value=6
https://transparentgov.net/json2tree/esri/server/folder.html?url=https%3A%2F%2Fgis.usgs.gov%2Fpadus%2Frest%2Fservices&org=USGS+Protected+Areas+PAD%2C%26nbsp%3B%26nbsp%3B&cross=default&timeout=10000&select_folder=11&select_layer=0
You can change layer by click button
Warning: USGS Pad arcgis server have not support CORS yet, how to enable CORS on your Arcgis Server click here
https://developers.arcgis.com/javascript/latest/cors/
choose 'tile', it is 10 times faster than 'image'
https://transparentgov.net/json2tree/datahub.io/hrsa/bycounty.html?backgroundlayerurl=https%3A%2F%2Fgis.usgs.gov%2Fpadus%2Frest%2Fservices%2Fpadus3%2FManager_Type%2FMapServer%2F0&select_level1value=6&select_level2value=6&backgroundtype=tile