Preston Corporation Reports Initial Fieldwork Finds New Discoveries of Gold Mineralization on Tanzanian Project CARSON CITY, Nev., Dec. 4, 2015 (GLOBE NEWSWIRE) -- Preston Corporation (OTCBB:PSNP) (ISIN US 74113J1079 – www.prestoncorporation.com) reports that as its field crews were initiating geological...

Preston Corporation Options Highly Prospective Kwamagome Gold Project in Handeni District of Tanzania CARSON CITY, Nev., April 17, 2015 (GLOBE NEWSWIRE) -- Preston Corporation (OTC-PSNP - ISIN US 74113J1079 - www.prestoncorporation.com) announces the company has acquired an option on the Kwamagome...