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2002 Annual Report | Design Criteria for Sanitary Sewer System Rehabilitation03-09-2006

... the pipe is near critical (NF ~ 1), there can be undulations in the water depth... because of the near-critical-flow conditions and the surface undulations that were observed.

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

1999 Annual Report | The Choptank River: A Mid-Chesapeake Bay Index Site for Evaluating Ecosystems Responses to Nutrient Management

High-resolution sampling using towed, undulating vehicles (SCANFISH, ACROBat) in conjunction with three monthly surveys revealed ... be implemented: telemetering the CISNet buoy, continuous underway samplers, towed undulating vehicles, and new optical sensors.

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

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Great Lakes Ecosystem: 1994 Proceedings of the Midwest Oak Savanna Conferences [White]03-09-2006

... the eye could reach, nothing could be seen but `Airy undulations' and smooth savannas" (Bigelow 1929... We then passed through barrens (so called) physiography: an undulated plain / The low ground is wet prairie / Every little knoll ...

http://www.epa.gov/ecopage/upland/oak/oak94/Proceedings/White.html (HTML)

Kulm Wetland Management District| Adopt Your Watershed | US EPA10-17-2008

The eastern third of the WMD is located in the drift prairie physiographic region, a gently undulating landscape. It contains ...

http://yosemite.epa.gov/water/adopt.nsf/c2e500503531739e85256a71005550... (HTML)

Virginia, Warrenton Training Center, Current Site Information (NPL Pad) | Mid-Atlantic Superfund | US EPA01-20-2010

... is located in a complex heterogeneous groundwater environment (fractured and undulating bedrock), also minimal information is available regarding the direction and ...

http://www.epa.gov/reg3hscd/npl/VAD988189312.htm (HTML)

Great Lakes Monitoring: The  Lake Guardian12-18-2009

... Frame about 10ft from ship] Limnology Sensors TRIAXUS TOWED UNDULATOR WITH INTEGRATED SENSORS Brooke Ocean Technologies Laser Optical Plankton Counter ...

http://www.epa.gov/greatlakes/monitoring/guard/lakegrd3.html (HTML)

CALIFORNIA GRAPES (Northern and Southern) MetaData | Pesticides | US EPA06-23-2009

These soil are generally found on undulating terraces at elevations from 50 to 500 feet above mean sea level and ...

http://www.epa.gov/oppefed1/models/water/met_ca_grapes.htm (HTML)

CALIFORNIA CORN (Northern) MetaData | Pesticides | US EPA06-23-2009

They are on undulating low terraces with slopes of 0 to 9 percent. They are generally found at elevations of ...

http://www.epa.gov/oppefed1/models/water/met_ca_corn.htm (HTML)

LOUISIANA SUGARCANE MetaData | Pesticides | US EPA06-22-2009

These soil are generally found on level or undulating alluvial plains and have slopes generally less than 1 percent, but ...

http://www.epa.gov/oppefed1/models/water/met_la_sugarcane.htm (HTML)

Barton Springs Salamander - Impervious Surfaces | Pesticides | US EPA06-18-2009

Brackett soils are often undulating (Soil Survey Staff 2006) and are desirable for development due to their scenic nature (Volente ...

http://www.epa.gov/oppefed1/models/water/bs_impervious.htm (HTML)

Beneficial Landscaping - Water Conservation Beneficial Landscaping - Water Conservation | Region 10 | US EPA11-28-2007

... if they are waxy, shiny/reflective, covered with fine hairs, undulated or curled at the edges, succulent, and/or small.

http://yosemite.epa.gov/r10/ECOCOMM.NSF/webpage/Beneficial+Landscaping... (HTML)

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