wheelmate.com appears to use an api.
POST requests are fired to: http://www.wheelmate.com/ws/locations/get/
Using a search query represented by POST data such as:
types[]:toilet
types[]:parking
lat:42.292726405884636
lng:-83.002882
zoom:12
Try to collect lots of data from the site and put in a single csv file.
Any code should probably go into importers/wheelmate.com