Technical sketch of disc-shaped object showing dimensions: 6 to 8 feet height, 20 feet width, with notation for seating area

Technical diagram showing object dimensions 6' to 8' width and 1/2' to 2' height with circular protrusions

Four sketches showing different positions/shapes of observed object labeled Fourth, Third, Second, First

Hand-drawn sketches showing the progression of the observed phenomenon with directional arrow and position markers

Sketch A - inverted triangle/cone shape

Sketch B - upright triangle shape

Side view diagram showing flight path with 5 mile markers to Las Vegas and Henderson

Top-down view diagram with compass directions showing flight path and 5 mi deviation from observer position

Hand-drawn diagram showing canyon cross-section with measurements, including '30 ft' notation and directional arrow