The crop marks, seen from the air, can still reveal the site of the original Bildeston.

In the same area the oval ditch of a 6 acre enclosure was revealed by crop marks.

She picked up a slick-surface pen and began making crop marks on the paper.

Aerial photographs as early at the middle 1950s showed circular crop marks within the confines of the hill fort.

Nothing is visible above ground, but crop marks appear on aerial photographs.

However, an additional stone, lying flat rather than upright, was discovered after being exposed as a crop mark in the dry weather of 1976.

Even signs of handling, like crop marks, add to their value.

Google Earth shows a surprising amount of the route surviving as crop marks.

Other layout deficiencies of Word include the inability to set crop marks or thin spaces.

Interesting to see are also circular crop marks, with a diameter of 20 to 30 feet, indicating barrows.