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I think I misplaced my red arrow as it should be more above the spiral. I thot you'd like to see what AI GENERATED from my google search, it's a bit long but I thot you'd like to see what it does:
The summer solstice marker at Puerco Pueblo in Petrified Forest National Park, Arizona is a small spiral petroglyph on a boulder. For about two weeks around June 21, sunlight hits the spiral around 9 AM local time, creating a "sun dagger" that touches the center of the spiral. The marker is located on the main park road, about halfway between the north and south entrances, and is accessible via a short paved trail. There's also a wayside exhibit near the petroglyph.

National Park Service
Summer Solstice Celebration - Petrified Forest National Park (U.S. National Park Service)

National Park Service
Summer Solstice Celebration at Petrified Forest
... Summer Solstice petroglyph interaction. Puerco Pueblo is located on the main park road about the middle of the park 11 miles from the north entrance. A short paved trail leads through Puerco Pueblo to a boulder featuring a small spiral petroglyph that marks the summer solstice. During the sun's morning trek, a ...

KNAU
Earth Notes: Solstice Marker, Petrified Forest - KNAU
Jun 20, 2018 — Cultures all over the world have marked the passage of the seasons in many ways. In the Southwest, the solstices and equinoxes have often been tracked by watching the sun on the horizon, on particular landmarks, or on the faces of rock. At Petrified Forest National Park, one petroglyph on a boulder is a convincing calendar of the summer solstice. At Puerco Pueblo, midway between the park's north and south entrance, there's a small, lightish spiral pecked onto a polished sandstone slab. For about two weeks around June 21, a beam of sunlight slants across the face of the stone, strikes the spiral, and pierces dead center around 9 a.m.

Live Science
10 temples, tombs and monuments that align with the summer ...
Jun 20, 2023 — The prehistoric people of the Southwest U.S. appear to have used the solstice to create ancient calendars. One of the most famous of these is a petroglyph at Puerco Pueblo, where a shaft of sunlight is projected onto a spiral solstice marker on a boulder, touching its center about 9 a.m local time. This happens each morning for about a two-week period around the summer solstice. Close by is Newspaper Rock State Historic Monument, a rock face with over 650 petroglyphs.

The Megalithic Portal
Puerco Pueblo Petroglyphs [Petrified Forest National Park ...
Sep 9, 2006 — mfrincu visited on 21st Jun 2014 - their rating: Cond: 3 Amb: 4 Access: 5 We visited this place exactly on the Summer Solstice day and witnessed the sun dagger around 9AM.

Expedia.com
Puerco Pueblo Tours - Book Now | Expedia
One of the petroglyphs here is a circular solar marker. For two weeks around the summer solstice, sunlight interacts with the marker. Find Puerco Pueblo within Petrified Forest National Park in Northeastern Arizona. Leave your car in the Puerco Pueblo parking lot and follow the trail that leads off from the south end.
Generative AI is experimental.
May 09 2024

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