The following resources will help you identify vernal pools, as needed for wetland permitting, natural resource inventories or for general appreciation.
NH DES Wetlands Rules: For vernal pool citations, see definitions in Env-Wt 100 and sections Env-Wt 301.01 and Env-Wt 302.04(a)
Identification and Documentation of Vernal Pools in New Hampshire 
Discover the Wonder of Vernal Pools Project WEB winter 2010 newsletter
The Importance of Hydroperiod in Wetland Assessment
Understanding hydroperiod is an important initial step in guiding management decisions aimed at minimizing or avoiding loss or degradation of wetlands that provide significant amphibian breeding habitat within an area.
Habitat Stewardship Series - Vernal Pools
Reptile and Amphibian Reporting Program (RAARP)
Keys to the Amphibians & Reptiles of New Hampshire
“Vernal Pools” from the NH Fish and Game NH Wildlife Action Plan
US EPA - Vernal Pools and other Seasonal Pools
USGS “Frog Call Quiz” – Learn breeding calls of frogs and toads in eastern US and Canada.
Adobe Acrobat Reader format. Download a free reader from Adobe.