Mix 2 layers on same mapserver

Question

 

https://transparentgov.net:3200/googlemaps411/default?layer_id=1&layer=Zoning_Merge&center_lat=33.687549764028645&center_long=-116.26673616997397&center_zoom=14&url=https%3A%2F%2Fgis.la-quinta.org%2Farcgis%2Frest%2Fservices%2FPlanning%2Fimage_corridors%2FMapServer&panto=0&overlayType=overlayType_image&select_field=1&select_fieldvalue=2&overlayOpacity=9

 

 

 

https://transparentgov.net/json2tree/esri/server/folder.html?url=https%3A%2F%2Fgis.la-quinta.org%2Farcgis%2Frest%2Fservices&org=La+Quinta+CA&_center_lat=33.6634&_center_long=-116.31&_center_zoom=17&select_folder=34&select_layer=1