National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service: U.S. Department of the InteriorNational Park Service Arrowhead
 
Making America's Best Idea Even Better
National Park Servicecolor photograph of bull snake in grass
view map
text size:largestlargernormal
printer friendly
National Park Service
Email Us
*Required Fields
Your Email Address*


Subject


Mailing Address
(An address is needed only if requesting information be mailed)
Full Name:
Address Line 1:
Address Line 2:
City:
State / Province/Region:
Zip / Postal Code:
Country:

Your Message*
(Maximum of 8,000 characters)




If You Send Us E-mail
You may choose to provide us with personal information, as in e-mail with a comment or question. We use the information to improve our service to you or to respond to your request. Sometimes we forward your e-mail to other government employees or authorized concessioners who may be better able to help you. Except for authorized law enforcement investigations, we do not share our e-mail with any other outside organizations.
color photograph of tumuli or squeezeup  

Did You Know?
Tumuli or squeezeups usually develop when lava flows on level ground. A mound of lava is pushed up from the flow when the crust buckles, with additional pressure from the liquid lava of the flow.

Disclaimer Accessibility Privacy Policy FOIA Notices USA.gov

Last Updated: July 25, 2006 at 00:23 EST