The Fourth Dynasty settlement south-east of the Giza plateau, excavated since the late 1980s by Mark Lehner and Ancient Egypt Research Associates, and known informally as the Lost City of the Pyramid Builders.
What has come out of the ground
Long galleries that housed workers in rotation, bakeries with bread moulds by the thousand, breweries, a large administrative building, and faunal deposits of cattle, sheep and goat in quantities implying that meat was supplied to the workforce on an industrial scale from estates across Egypt. The site is the logistics of the pyramid project rather than its engineering.
Why it settles a specific argument and not another
The lost-civilisation literature leans on the claim that the Fourth Dynasty left no evidence of the organisation a pyramid would require. Heit el-Ghurab, together with the Wadi al-Jarf Papyri and the workmen’s cemetery, is that evidence, and the argument from administrative absence has not survived it. What the site does not answer is the manufacturing question Christopher Dunn raises about cut surfaces, which is a different claim and is untouched by bakeries.
Connections
Mark Lehner · Great Pyramid of Giza · Wadi al-Jarf Papyri · Lost Civilization Hypothesis · The Giza Power Plant · Christopher Dunn · Zahi Hawass · Denys Stocks