National Hydrography Dataset

hydrography dataset representing the water drainage networks of the United States

en-GB/ˈnæʃənəl haɪdɹɒɡɹəfiː deɪtəsɛt/
en-US/ˈnæʃnəl haɪˈdɹɑɡɹəfi ˈdeɪtəˌsɛt/

الفئات:

data set