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These surplus/withdrawn materials are available from the EPA Region 2
Library. Please email me directly with your requests, and refer to Box
55-B.

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Rebecca Garvin
Head Librarian
US EPA Region 2 Library
290 Broadway, 16th Floor
New York, NY  10007

[log in to unmask]
212-637-3505
212-637-3086 fax
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1.    Potentiometric surface of the alluvial aquifer and hydrologic
conditions near Gurabo and Juncos, Puerto Rico, March 1988
Water-resources investigations report 90-4059

2.    Flood of September 16, 1975 in the Guayanilla Valley, Puerto Rico
Open-file report 80-1282

3.    Flood of September 16, 1975 in the Guanajibo Valley, Puerto Rico
Open-file report 81-805

4.    Flood of September 16, 1975 in the Guanica area, Puerto Rico
Open-file report 81-480

5.    Flood of September 16, 1975 in the Anasco area, Puerto Rico
Open-file report 81-345

6.    Flood of September 16, 1975 in the Yauco Valley, Puerto Rico
Open-file report 81-331

7.    Water budget and hydraulic aspects of artificial recharge, south
coast of Puerto Rico Water resources investigations 78-58

8.    Effects of land use on upland erosion, sediment transport, and
reservoir sedimentation, Lago Loiza Basin, Puerto Rico Water-resources
investigations report ; 99-4010

9.    Hydrologic characteristics of lagoons at San Juan, Puerto Rico,
during a January 1974 tidal cycle Water-resources investigations 38-75

10.   History of dredging and filling of lagoons in the San Juan, Puerto
Rico Water-resources investigations 38-76

11.   Ground water in the San Juan metropolitan area, Puerto Rico Water
Resources Investigation ; 41-75

12.   Water resources of the North Coast Limestone area, Puerto Rico
Water-resources investigations 42-75

13.   Restoration of freshwater in the Cano Tiburones area, Puerto Rico
Water resources investigations report ; 83-4071

14.   Estimates of 7-day, 10-year low flow at ungaged streams in Puerto
Rico Water resources investigation report 84-4089

15.   Sedimentation history of Lago Loiza, Puerto Rico, 1953-94
Water-resources investigations report 97-4108

16.   Hydrologic characteristics of lagoons at San Juan, Puerto Rico,
during an October 1974 tidal cycle Open-file report 82-349

17.   Ground-water flow, solute transport, and simulation of remedial
alternatives for the water-table aquifer in Vega Alta, Puerto Rico:
Water-resources investigations report ; 97-4170

18.   Sedimentation survey of Lago Prieto, Puerto Rico, October 1997
Water-resources investigations report ; 99-4169

19.   Potentiometric surface of the alluvial aquifer and hydrologic
conditions in the Guayama quadrangle, Puerto Rico, March 1986 Water
resources investigations report ; 87-4162

20.   Potentiometric surface of the alluvial aquifer and hydrologic
conditions in the Salinas quadrangle, Puerto Rico, March 1986 Water
resources investigations report ; 87-4161

21.   Potentiometric surface of the alluvial aquifer and hydrologic
conditions in the Central Aguirre quadrangle, Puerto Rico, March 1986
Water resources investigations report ; 87-4160

22.   Water balance and quantification of total phosphorus and total
nitrogen loads entering and leaving the Lago de Cidra, central Puerto
Rico Water-resources investigations report ; 96-4222

23.   Sedimentation survey of Lago Dos Bocas, Puerto Rico, August 1994
Water-resources investigations report 95-4214

24.   Ground-water resources of alluvial valleys in northeastern Puerto
Rico : Rio Espiritu Santo to Rio Demajagua area Water-resources
investigations report ; 96-4201

25.   Analysis of flow durations for selected streams in Puerto Rico
through 1994 Water-resources investigations report ; 98-4189

26.   Sedimentation survey of Lago Dos Bocas, Puerto Rico, June 1997
Water-resources investigations report ; 98-4188

27.   Geochemical properties and saline-water intrusion in the Valle de
Yabucoa alluvial aquifer, southeastern Puerto Rico Water-resources
investigations report 96-4188

28.   Potentiometric surface and hydrologic conditions of the upper
aquifer in the Manati-Vega Baja area, north central Puerto Rico, March
1995 Water-resources investigations report ; 96-4184

29.   Simulation of ground-water flow in the Rio Yauco alluvial valley,
Yauco, Puerto Rico Water-resources investigations report ; 85-4179

30.   Sedimentation survey of Lago Yahuecas, Puerto Rico, March 1997
Water-resources investigations report ; 98-4259

31.   Water required, water used, and potential water sources for rice
irrigation, north coast of Puerto Rico Water-resources investigations
report 86-4334

32.   Hydrogeology and simulation of ground-water flow in the upper
Aquifer of the Rio Camuy to Rio Grande de Manati area, Puerto Rico
Water-resources investigations report 95-4286

33.   Hydrology and water quality of the principal springs in Puerto
Rico water-resources investigations report ; 85-4269

34.   Potentiometric surface of the upper limestone aquifer in the
Dorado-Vega Alta area, North-central Puerto Rico, February 1983
water-resources investigations report ; 85-4268

35.   Use of surface-geophysical techniques for ground-water exploration
in the Canovanas-Rio Grande area, Puerto Rico water-resources
investigations report ; 83-4266

36.   Water resources of the Rio Grande de Anasco - lower valley, Puerto
Rico Water-resources investigations report ; 85-4237

37.   Real-time rainfall-runoff model of the Carraizo-reservoir basin in
Puerto Rico Water-resources investigations report 95-4235

38.   Sedimentation survey of Lago Dos Bocas, Puerto Rico, October 1999
Water-resources investigations report ; 00-4234

39.   Reconnaissance of volatile synthetic organic chemicals at public
water supply wells throughout Puerto Rico, November 1984 - May 1985
Open-file data report 86-63

40.   Climatological data for the rice-growing areas along the north
coast of Puerto Rico Open-file data report 86-53

41.   Estimated water use in Puerto Rico, 1980-82 Open-file data report
; 85-557

42.   Reconnaissance of trace-organic compounds in ground water
throughout Puerto Rico, October 1983 Open-file data report  84-810

43.   Storm-tide elevations caused by Hurricane Hugo on the U.S. Virgin
Islands and Puerto Rico, September 18, 1989 Open-file report ; 92-87

44.   Geologic and hydrologic data collected at test holes NC-1 and
NC-3, Guaynabo and San Juan, eastern Puerto Rico Open-file report 91-217

45.   Geologic and hydrologic data collected at test well NC-5,
Barceloneta, Puerto Rico Open-file report ; 90-390

46.   Compilation of ground-water level measurements, obtained by the
United States Geological Survey in Puerto Rico, 1958-1985 Open-file data
report 88-701

47.   Suspended-sediment data in the upper Rio Grande De Loiza basin,
Puerto Rico Open-file report 88-342

48.   Sedimentation survey of Lago Dos Bocas, Puerto Rico, June 1985
Open-file report 86-241

49.   Sedimentation survey of Lago Caonillas, Puerto Rico, February 1995
Water-resources investigations report 96-4153

50.   Hydrogeology and ground-water/surface-water relations in the
Bajura area of the Municipio of Cabo Rojo, southwestern Puerto Rico
Water-resources investigations report ; 95-4159

51.   Water resources of the lower Rio Grande de Arecibo alluvial
valley, Puerto Rico Water-resources investigations report ; 85-4160

52.   Sedimentation survey of Lago de Cidra, Puerto Rico, November 1997
Water-resources investigations report ; 99-4144

53.   Low-flow characteristics at selected sites on streams in southern
and western Puerto Rico Water-resources investigations report 95-4147

54.   Detection of conduit-controlled ground-water flow in northwestern
Puerto Rico using aerial photograph interpretation and geophysical
methods Water-resources investigations report ; 00-4147

55.   Potentiometric surface of the principal alluvial aquifers in the
Rio Espiritu Santo to Rio Demajagua area, Puerto Rico, March 23-24,1994
Water-resources investigations report 95-4152

56.   Synoptic survey of water quality and bottom sediments, San Juan
Bay estuary system, Puerto Rico, December 1994-July 1995 Water-resources
investigations report ; 97-4144

57.   Sedimentation survey of Lago Garzas, Puerto Rico, September 1996
Water-resources investigations report ; 99-4143

58.   Discharge and water quality of streams in the alluvial valleys of
northeastern Puerto Rico, March 1994, Rio Espiritu Santo to Rio
Demajagua Open-file report 95-370

59.   Characterization of stormwater discharges from Guanajibo
Industrial Park, Mayaguez, Puerto Rico, 1997-98 Open-file report ;
99-180

60.   Flood of September 10, 1996, in Bayamon, Puerto Rico
Water-resources investigations report ; 98-4120