In 1973, the United States Department of Interior declared the Pixley Vernal Pools Preserve a National Natural Landmark (NNL) in recognition of its unique botanical values. The Preserve was transferred by The Nature Conservancy (TNC) to CNLM in 1997 as part of the TNC Jack … Continue reading CNLM’s Pixley Vernal Pools Preserve celebrates 50 years as a National Natural Landmark