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THE NATION'S RIVER
A report on the Potomac from the U.S. Department of the Interior, with recommendations for action by the Federal Interdepartmental Task Force on the Potomac.
LETTERS OF TRANSMITTAL
UNITED STATES DEPARTMENT OF THE INTERIOR
OFFICE OF THE SECRETARY—WASHINGTON, D.C. 20240
UNITED STATES DEPARTMENT OF THE INTERIOR
OFFICE OF THE SECRETARY—WASHINGTON, D.C. 20240
POTOMAC RIVER BASIN ADVISORY COMMITTEE
CONTENTS
THE RIVER IN TIME
1830
1936 Flood scene
Civil War Chain Bridge
Early 1900—canoeists near Seneca, Md.
1917 Washington Waterfront
Washington Waterfront today
POTOMAC RIVER BASIN
I. THE WAY THINGS ARE
Proposed Water Resource Development
North Mountain
Town Creek
II. TOWARD A MORE USEFUL RIVER
Problems of Water Supply in the Potomac Basin
WATER SUPPLY POTOMAC RIVER, WASH. D.C.
GROUND WATER LEVELS WASHINGTON, D.C. AREA
Possible Answers
Flooding in the Basin
THE HYDROLOGIC CYCLE
FLOOD PLAIN DELINEATION POTOMAC RIVER AT HANCOCK, MD.
III. THE CLEANSING OF THE WATERS
Troubles above the Fall Line
WATER TREATMENT STEPS
PURPOSE OF CHEMICALS
The lower estuary
Techniques for cleaning up
Low Flow Augmentation
Machinery
Small Watershed Projects Boost Economy of Communities
IV. A GOOD PLACE TO BE
The Basin's amenities
Troubles and threats
The metropolis
This 26 square-mile section of the Rock Creek watershed, just above the District line in Maryland, was rural in 1913, with many small tributaries fed by springs and seeps. Ensuing development based on little knowledge of natural processes covered most of the old aquifer recharge areas with pavements and rooftops, so that more precipitation ran rapidly off the land instead of soaking in and flowing out gradually into streams. Flooding during storms and loss of flow at other times caused most of the tributaries to be covered over as storm sewers, so that out of 64 miles of natural flowing stream channels that existed in 1913 in this section, only 27 miles can be found above ground today.
THE HYDROLOGIC CYCLE
Sprawl as a problem farther out
Industry in the landscape
Other Basin landscape problems
Recreation
City recreational needs
Basin recreational needs
Avenues toward coping with landscape problems
V. COMPLEXITIES AND PRIORITIES
Public attitudes toward environmental action
Pecuniary matters
The implications of complexity
The question of an agency
Action now
VI. THE NATION'S RIVER
AN ACTION PLAN
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