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At least 199 records · Page 11Linked to original sources
USGS1972

Map showing length of freeze-free season in the Salina quadrangle, Utah

In general, long freeze-free periods occur at low elevations, and short freeze-free periods occur at high elevations. But some valley floors have shorter freeze-free seasons than the glancing foothills because air cooled at high elevations flows downward and is trapped in the valleys. This temperature pattern occurs in the western part of the quadrangle in Rabbit Valley, Grass Valley, and the Sevier River Valley near Salina. Because year-round weather stations are sparse in Utah, a special technique for estimating length of freeze-free season was developed by Dr. Gaylen L. Ashcroft, Assistant Professor of Climatology, Utah State University, and E. Arlo Richardson, State Climatologist, U.S. Weather Bureau, based on average annual temperature, average annual temperature range, average daily temperature range, and average july maximum temperature. This technique was used in preparation of the map showing “Length of 32°F freeze-free season for Utah,” figure 23 in Hydrologic Atlas of Utah (Utah State University and Utah Division of Water Resources, 1968), from which the data for this map were taken.

Utah↗
USGS2008

State of Louisiana - Highlighting low-lying areas derived from USGS Digital Elevation Data

In support of U.S. Geological Survey (USGS) disaster preparedness efforts, this map depicts a color shaded relief representation highlighting the State of Louisiana and depicts the surrounding areas using muted elevation colors. The first 30 feet of relief above mean sea level are displayed as brightly colored 5-foot elevation bands, which highlight low-elevation areas at a coarse spatial resolution. Areas below sea level typically are surrounded by levees or some other type of flood-control structures. Standard USGS National Elevation Dataset (NED) 1 arc-second (nominally 30-meter) digital elevation model (DEM) data are the basis for the map, which is designed to be used at a broad scale and for informational purposes only. The NED data are a mixture of data and were derived from the original 1:24,000-scale USGS topographic map bare-earth contours, which were converted into gridded quadrangle-based DEM tiles at a constant post spacing (grid cell size) of either 30 meters (data before the mid-1990s) or 10 meters (mid-1990s and later data). These individual-quadrangle DEMs were then converted to spherical coordinates (latitude/longitude decimal degrees) and edge-matched to ensure seamlessness. Approximately one-half of the area shown on this map has DEM source data at a 30-meter resolution, with the remaining half consisting of mostly 10-meter contour-derived DEM data and some small areas of higher-resolution LIght Detection And Ranging (LIDAR) data along parts of the coastline. Areas below sea level typically are surrounded by levees or some other type of flood-control structures. State and parish boundary, hydrography, city, and road layers were modified from USGS National Atlas data downloaded in 2003. The NED data were downloaded in 2007.

Scientific Investigations Map↗
USGS1914

Van Horn folio, Texas

The Van Horn quadrangle is situated in EL Paso and Culberson counties, Tex., about 100 miles southeast of El Paso. It is bounded by parallels 31° and 31° 30' and meridians 104° 30' and 105° and incluedes 1019 square miles. This area lies within the Cordilleran region, about midway between Peco River and teh Rio Grande, and forms a part of what is known as trans-Pecos Texas.

Texas↗
USGS1912

Choptank folio, Maryland

The Choptank quadrangle lies between parallel 38 ° 30' and 39° north latitude and meridians 76° and 76° 30' west longitude. It includes one-fourth of a square degree of the earth's surface and contains 931.51 square miles. From north to south it measures 34.5 miles and from east to west its mean width is 27 miles, as it is 27.1 miles wide along the southern and 26.9 miles along the northern border.

Maryland↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Hurricane quadrangle, Alabama

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the Mobile and Tensaw Rivers in Mobile and Baldwin Counties, Alabama. Most of the inundated areas shown are marshlands or flood plains of small tributary streams. Storm-tides frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. (USGS)

Hydrologic Atlas↗
USGS1907

Patuxent folio, Maryland-District of Columbia

The Patuxent quadrangle lies between parallel 38° 30' and 39° north latitude and meridians 76° 30' and 77° west longitude. It includes one-fourth of a square dgeree of the earth's surface and contains 931.5 square miles. From north to south it measures 34.5 miles and from east to west the mean distance is 27 miles, the width being 27.1 miles along the southern and 29.6 miles along the northern border.

District of Columbia, Maryland↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Lillian quadrangle, Alabama

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the Perdido River and Perdido Bay in the vicinity of the Alabama-Florida State line. Most of the damage in this area was due to minor flooding and high winds. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. (USGS)

Alabama↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, The Basin, Bay Minette North, and Creola NE quadrangles, Alabama

Shown on The Basin-Bay Minette North-Creola NE, Ala., topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the Mobile and Tensaw Rivers from Salco and Stockton southward to Creola and Upper Hall Landing, Ala. Minor flooding occurred in this region. Storm-tide frequency and records of annual maximum tides at Mobile, Ala., since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Ala. (USGS)

Hydrologic Atlas↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Coden-Bellefontaine quadrangles, Alabama

Floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along coastal areas of Mobile Bay between Bellefontaine and Point Judith, Alabama, are shown on a topographic map. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. Most of the waterfront improvements in Mobile Bay were either destroyed or heavily damaged. The town of Bayou La Batre, Alabama, was extensively flooded.

Alabama↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Mobile quadrangle, Alabama

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the western side of the Mobile River and Mobile Bay from Pritchard, Alabama, to the Forest Park section of Mobile, Alabama. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. Most of the waterfront improvements in Mobile Bay were either destroyed or heavily damaged. (USGS)

Hydrologic Atlas↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Oriole Beach, Garcon Point, Holley, South of Holley and Navarre quadrangles, Florida

Shown on the Oriole Beach-Garcon Point-Holley-South of Holley-Navarre, Fla., topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the shores of Santa Rosa Sound and the Gulf of Mexico from Pensacola Beach eastward to the Narrows near Fort Walton Beach, Fla. Storm-tide frequency and records of annual maximum tides at Mobile, Ala., since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Ala.

Florida↗
USGS1904

Cottonwood Falls folio, Kansas

The Cottonwood Falls quadrangle lies between parallels 38° and 38° 30' and meridians 96° 30' and 97°, and therefore constitutes a quarter of a square degree of the earth's surface. It is 34.35 miles long and 26.75 miles wide, and contains about 938 square miles. It is located east and a little south of the central part of Kansas, on Cottonwood River, and includes large portions of Chase and Marion counties and small portions of Greenwood and Butler counties.

Kansas↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Heron Bay, Little Dauphin Island, Fort Morgan, and Fort Morgan NW quadrangles, Alabama

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the southeastern tip of Mobile County, including Dauphin Island, Alabama. Nearly all the mainland area shown on the map was inundated by the tidal surge. The Dauphin Island Parkway Bridge (Alabama State Highway 163) was almost totally demolished. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama.

Alabama↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Chickasaw quadrangle, Alabama

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the western side of the Mobile River from about one mile north of Satsuma, Alabama, to Chickasaw, Alabama. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. Extensive wind damage occurred along the Mobile River in addition to minor flood damage to some houses and industrial complexes. (USGS)

Hydrologic Atlas↗
USGS1912

Pawpaw-Hancock folio, Maryland-West Virginia-Pennsylvania

The Pawpaw and Hancock quadrangles embrace parts of eastern West Virginia, western Maryland, and southern Pennsylvania between parallels 39° 30' abd 39° 45' and meridians 78° and 78° 30', and contain 460 square miles. (See fig. 1.) Parts of eight counties are included in the area, Morgan, Berkeley, and Hampshire in West Virginia, Washington and Allegany in Maryland, and Bedford, Fulton, and Franklin in Pennsylvania. Hancock, Md., the the largest town in the area, Pawpaw, Great Cacapon, and Berkeley Springs, W. Va., being next in importance.

Maryland, Pennsylvania, West Virginia↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Bon Secour Bay quadrangle, Alabama

Shown on the Bon Secour Bay map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the shore of Bon Secour Bay, generally from Weeks Bay southward to Gasque, Alabama. Most homes along the northern shore of Bon Secour Bay were severely damaged by floodwater and tidal waves. Damage to homes along the southern shore was not as great. Storm-tide frequency and records of annual maximum tides at Mobile, Ala., since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Ala. (USGS)

Hydrologic Atlas↗
USGS1980

Hurricane Frederic tidal floods of September 12-13, 1979, along the Gulf Coast, Perdido Bay quadrangle, Florida

Shown on a topographic map are floodmark elevations and approximate areas flooded by Hurricane Frederic tides of September 12-13, 1979, along the southern shore of Perdido Bay, Ono Island in Old River, and Perdido Key exposed to the Gulf of Mexico. The most severe damage occurred along Perdido Key in Alabama and Florida where many homes were demolished and the highway was washed out in several places. Storm-tide frequency and records of annual maximum tides at Mobile, Alabama, since 1772, are presented. Offshore winds reached about 160 miles per hour. A wind-velocity of about 145 miles per hour was recorded near Dauphin Island, Alabama. (USGS)

Hydrologic Atlas↗
USGS1903

Tishomingo folio, Indian Territory

The Tishomingo quadrangle is bounded by meridians 96° 30' and 97° and parallels 34° and 34° 30', and occupies one-quarter of a square degree of the earth's surface. It is 34.5 miles long north and south and 28.58 miles wide, and contains about 986 square miles. It lies in the southeastern part of the Chickasaw Nation, Indian Territory, the eastern edge being nearly 3 miles west of the Choctaw-Chickasaw boudary line, and the southern side about 3 miles north of the nearest approach of Red River.

Tishomingo Quadrangle↗