3 floors reconstructed from HABS drawings. Historic American Buildings Survey, TX-3529. HABS public-domain measured drawings: https://commons.wikimedia.org/wiki/File:First%20Floor%20Plan%20-%20Charles%20Goodnight%20Ranch%20House%2C%20Goodnight%2C%20Armstrong%20County%2C%20TX%20HABS%20TX-3529%20(sheet%202%20of%209).png Production reconstruction, not a survey or construction document. Floor heights estimated; floors aligned automatically; horizontal scale unverified. Stairs and inter-floor routes unconfirmed, including where no stairs are modeled. Decorative finish palette is not evidence of original construction. 8 assembly blockers remain. 1 stair proposals; none confirmed.