Field Walking for Artifacts Without a Detector
Field walking — systematically scanning plowed or exposed ground surfaces for artifacts — requires no equipment at all and can turn up finds that a metal detector would miss entirely: pottery, flint tools, glass, brick fragments, and other non-metallic material. It's also an excellent complement to metal detecting, adding context and depth to metallic finds.
When and Where
The ideal conditions are freshly plowed and rained-on fields. Rain washes soil from artifacts, making them visible on the surface. The best visibility is in early morning or late afternoon, when low-angle sunlight creates contrast and shadows. Farm fields after fall plowing are the classic field walking location, but eroded stream banks, construction cuts, and any exposed earth can produce surface finds.
Technique
Walk systematic transects across the field, typically spaced a few meters apart. Keep your eyes scanning the ground about 2-3 meters ahead. Your eye quickly learns to pick out the colors and shapes that don't belong — the warm orange of pottery against dark soil, the glint of flint, the curve of a bottle base.
What to Keep
Pottery sherds, clay pipe fragments, worked flint, glass pieces, brick and tile fragments, slag, and anything that looks deliberately shaped or decorated. Record where each find came from in the field (even rough zones like "northeast corner"). The distribution pattern of surface finds tells a story about what was happening across different parts of the land.
Combining With Detecting
Walk the field first with your eyes, then come back with the detector. Surface artifacts guide your detecting strategy by showing where activity was concentrated. A scatter of 18th-century pottery fragments tells you exactly where to focus your detecting for coins and relics from that period.