interesting article
http://www.lpi.usra.edu/meetings/lpsc2001/pdf/1251.pdf
In Newton crater they talk about an ice lake that could have taken 5-10 years to freeze and 500,000 years to sublimate.
http://www.lpi.usra.edu/meetings/lpsc2001/pdf/1251.pdf
In Newton crater they talk about an ice lake that could have taken 5-10 years to freeze and 500,000 years to sublimate.