Adverse Possession

Can the operator of a long-standing pipe claim right of way?
i have a 2 inch pipe on a place I just bought. The operator has no right of way but the pipe has been there for 15+ years on a public utilty & says he has right to be there cause no one contested the line.
Is the 12-foot strip of land legally mine if the fence is not moved?
I purchased property in 2005 there is an existing fence on the north side (Barbwire, old 50+ years). Had a survey done in 8/12/2008 and it shows my property is around 12 feet north of the existing fence. The neighbor to the north of course thinks this is his property. The area in question is 12' x 1105' Is this my property legally and do I forfeit this if I do not move the fence? In what amount of time would I need to move the fence?
How can I protect against squatters when renting trailer space?
Would like to rent space for trailer but need protection from later squatters petition. What form to use get pre-signed?
What are the requirements for adverse possession in California?
How can I take adverse possession of an abandoned property in California?
Do squatters have rights against rezoning and development in Florida?
I have lived in a wooded area of orange county for 30 years now and the owner wants to rezone the land and develop it. As a squatter have I any right to stay here in my home and stop the rezoning process and development of this land?