If you can badger your way into aerial survey, you'll get a boat load of hours. Bigger plus if you get one that operates nationwide as you'll get tons of experience with the LONG relocation flights. To this day, between CFIing, and freight, aerial survey is still the flight time I've come to value most. From a stick and rudder, CRM(yes CRM if you can believe it), SA, and especially an ADM stand point.
People say that CFIing builds up the people skills more than most other flying, but I'll argue that properly articulating to ATC/using agencies why you need to get into restricted/prohibited areas, Class Bs on the departure/approach end of the runways, or the SFRA around DC will develop your skillzzz just as well if not more.