Craig Hughes & Eric Hughes: links

Art Blocks records the project as a 222-edition Factory collection released in 2022.

No substantive artist interview was located in the verified source set; the nearest usable historical interview material concerns the irrigation technology rather than the artists.

Wired covers the 1952 center-pivot patent and the later visual culture of circular agricultural fields.

History Nebraska summarises Frank Zybach's invention and its importance to agricultural history.

The National Inventors Hall of Fame profiles Frank Zybach and the development of self-propelled irrigation.

USGS documents aquifer depletion risks connected to long-term irrigated agricultural productivity.

Verse preserves marketplace and provenance records for individual Center Pivot tokens.

NASA Earth Observatory explains the aerial appearance and mechanics of Kansas crop circles.

NASA Earth Observatory documents desert circular fields produced by center-pivot irrigation.

USDA Agricultural Research Service describes precision control in modified center-pivot irrigation systems.

OpenSea indexes the collection, its 222 items, and marketplace trait structure.

NFT Valuations provides collection analytics for the 222-item Art Blocks Factory project.

Raster lists Craig Hughes & Eric Hughes and records Center Pivot as 222 works.

Google Patents archives Frank L. Zybach's 1952 self-propelled sprinkling irrigating apparatus patent.

Nebraska Public Media presents a video history of center-pivot irrigation and Frank Zybach's invention.