1. Pollutant discharges from valley fills to streams also requires an NPDES permit. 2. When the glaciers are in the valleys they are called lineated valley fill . 3. The material comprising these valley floors is called lineated valley fill . 4. When opposing lobate debris aprons converge, linear valley fill results. 5. When glaciers are in valleys, they are called Lineated valley fill ( LVF ). 6. Lineated valley fill is common in the middle latitudes, especially near the northern dichotomy boundary. 7. As the glacier melts, the valley fills with melt water that creates a glacial lake. 8. Concentric crater fill, like lobate debris aprons and lineated valley fill , is believed to be ice-rich. 9. But the Bush administration dropped the Clinton effort to limit the size of the valley fills . 10. Many demand stricter limits on the valley fills .
