Mapquest...
If you want something on mapquest, then you should be putting mapquest into your search string... Google aren't telepathic when it comes to determining what site you want the result from...
if you add mapquest to your search string, then the mapquest item is the first returned result... along with loads of others on mapquest...
Basic Set Theory, which should be explained to all numbskulls when they can't find what they want in a search engine...
search gloucester in Google, get about 19,100,000 results with the google maps for gloucester shown first in the header result
search gloucester mapquest in google without quotes gives about 32,900 results with a mapquest link for gloucester massachussets first
search gloucester mapquest uk in google gives me about 45,200 results with a mapquest uk link first