According to the disclosures, there is just a shed on the property. I could not find if it is zoned AG, but have no reason to doubt your previous answer.
The address is 6730 Pretty Prairie Drive, West Lafayette, IN 47906. The property is in Tippecanoe (and Tyler, too) County. Thier Zoning department can be found here: http://www.tippecanoe.in.gov/egov/docs/1188921659678.htm
The original listing may be viewed here: http://www.mlsfinder.com/in_lbar/kw_731/index.cfm?action=listing_detail&property_id=9951385&searchkey=bdff1cce-c598-9aff-6edc-cc4f82431af2&npp=8&sr=129
Very best of luck. If I may be of assistance with your pre-qual or you have any more questions, please do not hesitate to call! Jim, American Bank, 703 615 4675