I have noticed that before also. It should be standardized with all being the same. I think whichever one is most common is the correct one. Obviously Egg Harbor and BW01 Valdez are typos/misspellings. The others are a matter of dart board logic. What do we call America? They all need to be changed to be the same as the sim's default US locations.
That is YBL1, Yes Bay Lodge Boats, not Yes Bay Lodge itself. And you mentioned Moose Pass SPB, MOOS already. I noticed that one is listed under the state of AK. It is Donnelly Dome Airstrip (PF57). The country is United States.