Explore this collection green manure spinach farming organic farming energy history building garlic season extension tomatoes buildings fences group photograph mulch advertising lettuce gatherings tractors poetry harvest sense of place activism biographical flowers porches folklife architecture cover crops trees Overview Creator: Jones, Doug Subject: Organic farmingSustainable agricultureBirdsfoot FarmFarm EquipmentCombinesFarm TractorsField crops Description:Carl driving tractor and combine circa 1973. Carl was one of the founders of Birdsfoot Farm. Source:Original version: photograph, b&w; 4 1/2 x 7 in. Rights Rights Management:Original materials may be protected by the Copyright Law of the United States (more information). Resource Identifier:Private Collection Contributor:Birdsfoot Farm Relation:Back to the Land Technical Digitization Specifications:Scanned at 600ppi on Epson 1000XL scanner as 48-bit RGB uncompressed TIFF images. Images resized to 960 pixels wide, 150 dpi, and saved as JPEG (level 7) in Photoshop CS4 with Unsharp Mask of 60:1. Date Digital:Mon, 01/25/2010 - 20:00 Format:image/jpeg Type:Image