1. Identification and classification of perennial streams of Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
2. India, rivers and run-off Author/Creator: National Atlas & Thematic Mapping Organisation (India) Publication/Creation: Kolkata : National Atlas & Thematic Mapping Organisation, Ministry of Science & Technology, Govt. of India, [2007] Resource Type: Map Edition: 2nd ed., 2007. Access & Availability: Loading