Recommend methods of acquiring land rights 5.Develop a formula for the allocation of funds to implement open space plans 6. Recommend methods of financing land acquisition. The USGS has the principal responsibility within the Federal government for providing hydrologic information and appraising the Nation's water resources. The Pennsylvania District of the USGS collects basic hydrologic data and makes interpretive investigations of Pennsylvania's water resources. This web site is intended to provide the general public with information on the USGS and with timely access to the collected data.
Important data includes streamflows, drought information and monthly groundwater levels.
This is a comprehensive site. All users, however, will enjoy the butterfly photo galleries, which offers pictures of common butterflies from around the world, organized by continent.