Library of Congress Classification
G 1330 Atlases of various American states (3rd floor)
G 1403 Atlases of Indiana
G 1403 V5 Atlases of Vigo County
GB 651-2998 Hydrology. Water
GB 705. I4 Water Resources of Indiana and various Indiana Counties
GB980-2998 Ground and surface waters
GB980-992 Watersheds. Runoff. Drainage
GB1001-1199.8 Groundwater. Hydrogeology
GB1201-1598 Rivers. Stream measurements
GB1601-2398 Lakes. Limnology. Ponds. Lagoons
GB2401-2598 Ice. Glaciers. Ice sheets. Sea ice
GB2601-2798 Snow. Snow surveys
GB2801-2998 Hydrometeorology
QE1-996.5 Geology
QE1-350.62 General
Including geographical divisions
QE105 Water resources with an Illinois focus
QE109 Water resources with an Indiana focus
QE351-399.2 Mineralogy
QE420-499 Petrology
QE500-639.5 Dynamic and structural geology
QE521-545 Volcanoes and earthquakes
QE601-613.5 Structural geology
QE640-699 Stratigraphy
QH1-278.5 Natural history (General)
QH1-(199.5) General
Including nature conservation, geographical distribution
S589.7 Agricultural ecology (General)
S589.75-589.76 Agriculture and the environment
S589.8-589.87 Plant growing media. Potting soils
S590-599.9 Soils. Soil science
Including soil surveys, soil chemistry, soil structure, soil-plant relationships
S591.A25 Soil science with an Indiana focus
S600-600.7 Agricultural meteorology. Crops and climate
S602.5-604.37 Methods and systems of culture. Cropping systems
Including fallowing, rotation of crops, plowing
S604.5-604.64 Agricultural conservation
S604.8-621.5 Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands
S605.5 Organic farming. Organiculture
S606-621.5 Special classes of lands and reclamation methods
Including woodlands, burning of lands, deserts, saline environments, moors
S622-627 Soil conservation and protection
S900-(972) Conservation of natural resources
Including land conservation