These days they use a backhoe to do a thorough job.
You will not need to hire a backhoe to dig out an area for the pool, there'll be no concrete to pour and no in-ground water system will be installed.
As you research what wind power generator meets your requirements, including your budget, be sure to take into consideration other equipment you'll need for installation such as a backhoe and crane.
This is the occation for one of the most impressive 'cat fights' in film history, as Ripley dons a mechanical 'loadlifter' (a kind of wearable backhoe) to do hand-to-hand combat.