I have a mother coon and at least 2 baby's inside of the underneath of my trailer I have called all the authorities and DNR and know one seems to want to help me can someone tell me the best way to get them out they are about 7 ft in under the trailer but up in the underbelly of the trailer?

Call Ghost Busters!

You can buy a raccoon trap from Tomahawk DELUXE TRANSFER LIVE ANIMAL TRAPS - Products and Details - Choose from over 17 sizes of Transfer Live Animal Traps ranging from chipmunk to large dog - traps, cages, animal traps, animal cages, cage traps, transfer traps, trapping, trapping had very good success in traping them with sardines in oil.

Once you have one in trap call your local pest control, or animal control to come and remove. Their will be a charge however it eliminates your liability in transporting wildlife that may be illegal in your state. If you choose to transport wear gloves and disinfect all areas raccon can in contact with.

Raccoon roundworm is very dangerious avoid any contact with raccoon fecal material see link below Division of Parasitic Diseases - Baylisascaris Infection Fact Sheet

Also raccoons carry rabies