The Marin Agricultural Land Trust has returned $833,250 it was awarded three years ago from the county’s Measure A funds to purchase an agricultural conservation easement for a Hicks Valley ranch, following the discovery that the group might have asked for too much money. MALT commissioned two appraisals, but only included in its funding application the one that valued the property at a higher cost. According to Marin County Parks director Max Korten, MALT recently…