Is any members here on the forum a Tree Surgeon ?

Eucalyptus Tree's, 1) How tall do they grow, 2)How deep do there roots go down, 3)And Eucalyptus's tree growing on solid chalk about 16-24inches down, 4)Do they blow over real easy in high winds, If your wondering why I ask, I live in a mobile home, on a mobile home park and the last owner of the park had three planted on a small round-about just outside our home, also any tree over 25ft tall invalidates mine and two other homes insurance as well, also there is four weeping willows that are growing out at a 45 degree angle to get the light, also where they are growing is on solid chalk that was an old railway cut that was filled in with chalk a lot of years ago, one Eucalyptus is 99.9% dead already. I am trying to get the landlord to cut them down or pol-larded to save our homes, please help...  more