Arizona /New Mexico state line

Here is a link to the story about the real location of the Arizona New Mexico state line . It seems to be at a different location than the Four Corners Marker/Park on the Reservation.

The American Surveyor Magazine - Land Surveying and Mapping Online


Harry Allen

Phytosaur Skull Excavation

Bill Parker posted the first in a series about a Phytosaur being excavated near the Petrified Forest. It is interesting to see what they look like in the field when first found.

Chinleana: Phytosaur Skull Excavation

Harry Allen

Alaska's Mount Redoubt

Great pictures of the eruption of Mt Redoubt

Alaska's Mount Redoubt - The Big Picture - Boston.com


Harry Allen

Verde Water Case What is Subflow?

Lee Allisons blog has this reference to an interesting legal case. It is about what is "Subflow" and what is "Ground Water". It could change the legal definition of water rights in the state.

Arizona Geology: Groundwater-surface water subflow case in the Verde Valley

Does surface water stop at the bottom of a river?


Harry Allen