This aircraft is an Alexander Eaglerock A-4 registration NC701H built in 1929 by the Alexander Aircraft Company
There's not much information about this exact aircraft, but the same type features in a great article about The First Black Airmen to Fly Across America .
Eaglerock A-4 (source) - note the deep sides for the forward cockpit, which you can see in your picture.
Eaglerock A-3 (source) - although a different engine, this angle helps makes sense of the struts in your picture.
