https://experience.arcgis.com/experience/0810844003f149faa1a3aeaa64d7d42e
Layer REST endpoint URL
https://services3.arcgis.com/Jdnp1TjADvSDxMAX/arcgis/rest/services
use 9361
https://transparentgov.net/json2tree/esri/server/folder.html?org=https%3A%2F%2Fservices3.arcgis.com%2FJdnp1TjADvSDxMAX%2Farcgis%2Frest%2Fservices&url=https%3A%2F%2Fservices3.arcgis.com%2FJdnp1TjADvSDxMAX%2Farcgis%2Frest%2Fservices&arcgis_online_token=&select_folder=161&select_layer=2
https://transparentgov.net/json2tree/datahub.io/embed/featurelayer_attachments.html?backgroundlayerurl=https%3A%2F%2Fservices3.arcgis.com%2FJdnp1TjADvSDxMAX%2Farcgis%2Frest%2Fservices%2FMichigan_Historical_Markers_AGO%2FFeatureServer%2F2&layer=Michigan_Historical_Markers_AGO&clickorhover=click&attachmentimagesize=small