Dan Johnson, Curator of native plants uses a torch to start a controlled burn of Plaines Garden at the denver Botanical Garden Wednesday March 12, 2008. The burn of prairie grasses in several gardens at the Botanic Gardens recycles nutrients, improves na
DENNIS SCHROEDER, Dan Johnson, Curator of native plants uses a torch to start a controlled burn of Plaines Garden at the denver Botanical Garden Wednesday March 12, 2008. The burn of prairie grasses in several gardens at the Botanic Gardens recycles nutrients, improves na (03/12/2008), [436191772] . Denver Public Library Digital Collections, accessed 16/07/2025, https://digital.denverlibrary.org/nodes/view/896780