Département de la Loire (1) Preservation (1) Conservation (1) Composition (1) Assaying (1) Communication (1) Sand and gravel mines and mining (1) Pelota (Indian game) (1) Water (1) Temperature (1) Size reduction of materials (1) Sand and gravel plants (1) Play (1) Indigenous peoples (1) Lakes (1) Informers (1) Gaze (1) French (1) Example (1) Corridors (1) Building (1) Sources (1) Sources (1) Mathematical models (1) Management (1) Analysis (1) Structure (1) Science (1) Graveras (1) Pelota (Juego indio) (1)