The landing-site fix (LANDLAT, LANDLONG, LANDALT) is buried in the erasable dump as AGC double-precision fixed-point. Decode it, apply the scale factors, and key the fix into NOUN 43 below.
Latitude XXX.XX DEG (fraction x 180)
Longitude XXX.XX DEG (fraction x 180)
Altitude XXXX.XX KM (fraction x 1024)