How to explore Arcgis REST api endpoint (Army Corps of Engineers)

Question

Army Corps of Engineers USACE endpoint is here

https://services7.arcgis.com/n1YM8pTrFmm7L4hs/ArcGIS/rest/services

 

How to explore this REST api endpoint?

 

https://transparentgov.net/json2tree/esri/server/folder.html?org=&url=&select_folder=1&select_layer=5

 

 

 

https://transparentgov.net/json2tree/esri/server/folder.html?org=https%3A%2F%2Fservices7.arcgis.com%2Fn1YM8pTrFmm7L4hs%2FArcGIS%2Frest%2Fservices&url=https%3A%2F%2Fservices7.arcgis.com%2Fn1YM8pTrFmm7L4hs%2FArcGIS%2Frest%2Fservices&select_folder=1&select_layer=

 

 

 

 

https://transparentgov.net:3200/googlemaps/default?layer_id=0&layer=Recreation+Area&center_lat=38.03144509965616&center_long=-80.13717068559815&center_zoom=5&url=https%3A%2F%2Fservices7.arcgis.com%2Fn1YM8pTrFmm7L4hs%2FArcGIS%2Frest%2Fservices%2Fusace_recreation_areas%2FFeatureServer&overlayType=overlayType_none&panto=0

 

 

 

Army Corps of Engineers USACE endpoint is here

https://services7.arcgis.com/n1YM8pTrFmm7L4hs/ArcGIS/rest/services