194 dataset trovati

This dataset includes concentrations of trace inorganic elements, ions, and organic/element carbon of PM collected from two sampling sites (GT Craig and Chippewa Lake) in...

This dataset describes in stream turbidity for watersheds included in a paired watershed study including a forested reference watershed and three urban watersheds with...

Note: Updates to this data product are discontinued. The PIZA codes index small geographic areas (the contiguous 48 States divided up into five-kilometer grid cells) according...

This layer establishes the boundaries for Small Area Plans, authorized under Code of Virginia Section 15.2-2303.4, encompassing the Urban Policy Areas, Suburban Policy Area,...

DDOT's Urban Forestry Division (UFD) manages ~180,000 public trees and this data set shows annual changes in species composition and tree health from 2014 to present. Visit...

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This layer presents rural and urban interstate highways. It is part of the National Highway Planning Network, published by the Federal Highway Administration as part of the...

This layer presents rural and urban interstate highways. It is part of the National Highway Planning Network, published by the Federal Highway Administration as part of the...

This layer presents rural and urban interstate highways. It is part of the National Highway Planning Network, published by the Federal Highway Administration as part of the...

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This story map Cascade investigates the historic preservation program in Havana's Old City. Old Havana achieved UNESCO World Heritage status in 1982, and consists of over 3,000...

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