In level pasture near the Ahanaload River in County Limerick, a series of cropmarks betrays the outline of an ancient field system, its rectilinear and curvilinear boundaries pressed into the soil so thoroughly that they still influence how crops grow differently over disturbed or compacted ground. Cropmarks form when buried features, whether ditches, walls, or banks, cause the vegetation or crops above them to ripen, wilt, or change colour at a slightly different rate to the surrounding land. From the ground, there is nothing obviously remarkable to see; from the air, the pattern is legible.

The site at Boherload was identified through aerial photography, specifically from a photograph labelled Bruff 51, reference AP 4/3747, taken as part of a broader aerial survey of the Bruff area. The field system sits roughly 170 metres east of the Ahanaload River and is part of a cluster of related features. Immediately to its west lies an enclosure recorded as LI022-046, and directly to the west of that sits a second large enclosure, LI022-188. A further field system, LI022-239, lies approximately 60 metres to the south, suggesting that this area once formed part of an organised agricultural landscape of some extent. The cropmark evidence was subsequently confirmed through Ordnance Survey Ireland orthophotos taken between 2005 and 2012, and again through a Google Earth image captured on 6 February 2018, on which a regular rectilinear pattern is visible to the south and east of the associated enclosure. The record was compiled by Martin Fitzpatrick and uploaded in August 2020.

Because the site survives only as a cropmark phenomenon rather than as upstanding earthworks, there is little to observe from a roadside or footpath. Cropmarks tend to show most clearly in dry summers, when moisture stress makes buried features more visible in growing cereals or grasses, so aerial images taken in such conditions offer the clearest picture. The most useful way to engage with this site is through the publicly available Google Earth imagery or the National Monuments Service record, where the Bruff aerial survey material and orthophotos provide the clearest impression of what lies beneath the pasture. The surrounding landscape, with its multiple enclosures and overlapping field systems in close proximity, suggests this corner of County Limerick repays careful attention even when, from the lane, it offers nothing but grass.