Revision history

Version	Release Date	Change Notes
Guideline 1.0	10/17/14	Initial Release
Guideline 1.1	11/18/14	Incorporated description of AIPE throughout the document Refined and corrected numerous minor errors in text Added several FAQ items Added new contributor, Inga Aksamit Modified references
Guideline 2.0	2/16/15	Many additions and corrections in response to peer review Restructured document Modified references Refined and corrected numerous minor errors in text
Guideline 2.1	4/23/17	Updated WMS risk table to match 2014 WMS Guidelines Corrected risk example to match updated risk table
LLS 2018	12/26/18	Revised LLS form to match updated 2018 Update
More Detail	2/6/19	Added new tab with additional information supporting guideline
Guideline 3.0	2/8/19	Major revision with new sections and updated research
Guideline 3.0	9/3/21	Removed Salmeterol as HAPE treatment
Heading Notice	12/1/23	Change the top heading. Notify reader of the end of site maintenance.

Last update: 12/1/23

Upper Basin from Mather Pass, Kings Canyon National Park
Photo by Duane Bindschadler