Internal 1969 Haunted Mansion description online

A detailed description of the then under-construction Haunted Mansion attraction at Disneyland has been posted online. DoomBuggies.com has the full information sheet, written by WED Enterprises (now Walt Disney Imagineering) Frank Allnutt and dated April 08, 1969. The document offers

an interesting look at some of the Imagineers' original intentions with the ride, as well as the detail for which the classic Disney attraction is known.