National Hydrography Dataset

hydrography dataset representing the water drainage networks of the United States

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

دسته بندی ها:

data set