Why Is the Red Heifer Section Placed in the Middle of the Book of Bamidbar?

This source-based Torah study examines the question: Why Is the Red Heifer Section Placed in the Middle of the Book of Bamidbar? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized layer is a concise discovery summary rather than a full translation of the article body; practical or historical claims remain source-framed and subject to the canonical review status.