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A map exhibiting a general view of the roads and inland navigation of Pennsylvania and part of the adjacent states

Map shows late eighteenth century roads, settlements, and some counties in southeast Pennsylvania, and parts of New Jersey, Delaware, and Maryland. Relief shown by hachures. Scale not given.
Date: [1790..1795]
Creator: Adlum, John, 1759-1836
Object Type: Map
System: The Portal to Texas History
The Larger Corn Stalk-Borer (open access)

The Larger Corn Stalk-Borer

This report discusses a pale, dark-spotted caterpillar known as the larger cornstalk-borer which bores into and weakens cornstalks. "Only corn is injured seriously by this insect; some of the larger grasses are food plants, and sugar cane sometimes is damaged slightly. This bulletin gives the life history of the insect, its feeding habits, and methods of combating it. There are two generations in a season, so greater vigilance is necessary. The second generation passes the winter only in the corn roots, so if these are destroyed or plowed under deeply, the pest will be largely decreased. The injury is worst where corn follows corn, so rotation of crops will help to destroy the pest." -- p. 2
Date: 1919
Creator: Ainslie, George G.
Object Type: Pamphlet
System: The UNT Digital Library
The Larger Corn Stalk-Borer (open access)

The Larger Corn Stalk-Borer

Revised edition. This report discusses a pale, dark-spotted caterpillar known as the larger cornstalk-borer which bores into and weakens cornstalks. "Only corn is injured seriously by this insect; some of the larger grasses are food plants, and sugar cane sometimes is damaged slightly. There are two generations in a season. As the second generation passes the winter in the corn roots, if the roots are destroyed or plowed, the pest will be largely subdued. The injury is worst where corn follows corn, so rotation of crops will help to destroy the borer. This bulletin gives the life history of the borer, its feeding habits, and methods of combating it." -- p. ii
Date: 1933
Creator: Ainslie, George G.
Object Type: Pamphlet
System: The UNT Digital Library

Maryland and Delaware.

Map shows railroads, counties, cities and towns. Insets: "District of Columbia with portions of adjacent states" and "City of Baltimore and vicinity." Includes key to town population sizes. Relief shown by hachures and shading. Scale [1:1,350,000].
Date: 1904
Creator: Americana Company
Object Type: Map
System: The Portal to Texas History

Maryland and Delaware.

Map shows railroads, counties, cities and towns. Insets: "District of Columbia with portions of adjacent states" and "City of Baltimore and vicinity." Includes key to town population sizes. Relief shown by hachures and shading. Scale [1:1,350,000].
Date: 1904
Creator: Americana Company
Object Type: Map
System: The Portal to Texas History

Asher & Adams' Delaware, Maryland, Virginia, West Virginia & District of Columbia.

Map shows late nineteenth century Maryland, Delaware, Virginia, and West Virginia counties, railroads, canals, cities and towns. Includes distances between points. Scale [ca. 1:1,267,200].
Date: 1871
Creator: Asher & Adams
Object Type: Map
System: The Portal to Texas History
Aerial Radiometric and Magnetic Survey: Wilmington National Topographic Map, Delaware/Maryland/New Jersey/Pennsylvania (open access)

Aerial Radiometric and Magnetic Survey: Wilmington National Topographic Map, Delaware/Maryland/New Jersey/Pennsylvania

From abstract: "The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the Wilmington National Topographic Maps, numbered NJ18-2 is presented in this report."
Date: 1980
Creator: Bendix Field Engineering Corporation
Object Type: Report
System: The UNT Digital Library

[Wilmington Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Wilmington Quadrangle in New England.
Date: 1980
Creator: Bendix Field Engineering Corporation
Object Type: Dataset
System: The UNT Digital Library

[Wilmington Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Wilmington Quadrangle in New England.
Date: 1980
Creator: Bendix Field Engineering Corporation
Object Type: Dataset
System: The UNT Digital Library

Maryland and Delaware.

Map shows mid-nineteenth century Maryland and Delaware counties, railroads, canals, and some roads. Inset: [Map of the] "District of Columbia," [Profile of the] "Cheapeake and Ohio Canal," [Profile of the] "Baltimore and Ohio Railroad (Eastern Part)." Relief shown by hachures and by profile. Scale [ca. 1:1,200,000].
Date: 1845
Creator: Breese, Samuel, 1802-1873
Object Type: Map
System: The Portal to Texas History
The Roundheaded Apple-Tree Borer (open access)

The Roundheaded Apple-Tree Borer

This report discusses the roundheaded apple-tree borer, an insect in the eastern and midwestern United States that, in its larval stage, destroys the bark and wood of apple trees. Several methods of control are discussed, including worming, paints and washes, and sprays.Apple-tree borers.
Date: 1915
Creator: Brooks, Fred E.
Object Type: Pamphlet
System: The UNT Digital Library

[Maps of Pennsylvania, Maryland and Delaware]

Map shows railroads, cities, towns, and notable physical features. Relief shown by hachures. Scale [ca. 1:2,816,000] and [ca. 1:2,028,000].
Date: [1895..1915]
Creator: C.S. Hammond & Company
Object Type: Map
System: The Portal to Texas History

Delaware, at the time of the ratification of the Constitution, from a 1787 original in the Library of Congress at Washington.

Map of the Delmarva Peninsula and the surrounding area at the time of the ratification of the Constitution, showing and identifying towns, counties, rivers, creeks, inlets, bays, lighthouses, sand bars, and capes. Scale [ca. 1:622,600] (10 miles to the inch).
Date: 1937
Creator: Churchman, John
Object Type: Map
System: The Portal to Texas History

[Map of Maryland and Delaware]

Map shows battlefields, railroads, cities, and counties in Maryland, Delaware, and parts of Pennsylvania, New Jersey, and Virginia. Relief shown by hachures. Scale [ca. 1:1,267,760].
Date: [1865..1885]
Creator: Colton, G. Woolworth (George Woolworth), 1827-1901
Object Type: Map
System: The Portal to Texas History

[Maps of Kentucky & Tennessee, Virginia, West Virginia, Maryland, & Delaware]

Map shows railroads, counties, cities and towns. Includes population and area statistics. Scale [ca. 1:2,200,000] and [ca. 1:2,500,000].
Date: [1871..1880]
Creator: Cram, George Franklin, 1841-1928
Object Type: Map
System: The Portal to Texas History

[Maps of Maryland & Delaware, and Pennsylvania]

Map shows counties, railroads, cities, towns, and notable physical features; also canals for Pennsylvania. Relief shown by hachures. Scale [ca. 1:1,236,000].
Date: [1878..1898]
Creator: Cram, George Franklin, 1841-1928
Object Type: Map
System: The Portal to Texas History

[Railroad Maps of States in the Central Eastern Part of the United States]

Map shows late nineteenth century Virginia, West Virginia, Maryland, and Delaware railroads, counties, cities and towns. Includes population and area statistics. Scale not given.
Date: [1882..1895]
Creator: Cram, George Franklin, 1841-1928
Object Type: Map
System: The Portal to Texas History

Plates 1-3: Aeroradioactivity Map (ARMS-II), Camden-Delaware Valley Area

Maps of three segments in the Camden-Delaware Valley area surveyed as part of a radiological survey, outlining "Radioactivity levels in hundreds of counts per second normalized to 500 ft above ground." Scale 1:250,000.
Date: November 10, 1961
Creator: Edgerton, Germeshausen & Grier
Object Type: Map
System: The UNT Digital Library

Colton's Delaware and Maryland.

Map shows roads, canals, railroads, post offices, cities and towns for Maryland and Delaware; streets and public buildings of Washington city, major roads and railroads for D.C. and vicinity. Inset: "District of Columbia." Includes explanations and notes; population statistics and references for inset. Relief shown by hachures. Scale [ca. 1:975,000].
Date: 1868
Creator: G.W. & C.B. Colton & Co.
Object Type: Map
System: The Portal to Texas History

County map of Maryland and Delaware.

Map shows mid-nineteenth century Maryland, Delaware, and New Jersey counties, railroads, canals, cities and towns. Relief shown by hachures. Scale [ca. 1:1,400,000] and [ca. 1:1,067,000].
Date: 1872
Creator: Gamble, W. H. (William H.)
Object Type: Map
System: The Portal to Texas History

County map of Maryland and Delaware.

Map shows mid-nineteenth century Maryland, Delaware, and New Jersey counties, railroads, canals, cities and towns. Relief shown by hachures. Scale [ca. 1:1,400,000] and [ca. 1:1,067,000].
Date: 1872
Creator: Gamble, W. H. (William H.)
Object Type: Map
System: The Portal to Texas History

County map of Maryland and Delaware.

Map shows mid-nineteenth century Maryland, Delaware, and New Jersey counties, railroads, canals, cities and towns. Relief shown by hachures. Scale [ca. 1:1,400,000] and [ca. 1:1,067,000].
Date: 1867
Creator: Gamble, W. H. (William H.)
Object Type: Map
System: The Portal to Texas History

County map of Maryland and Delaware.

Map shows mid-nineteenth century Maryland, Delaware, and New Jersey counties, railroads, canals, cities and towns. Relief shown by hachures. Scale [ca. 1:1,400,000] and [ca. 1:1,067,000].
Date: 1870
Creator: Gamble, W. H. (William H.)
Object Type: Map
System: The Portal to Texas History
Chestnut Blight (open access)

Chestnut Blight

"Chestnut blight, caused by a fungus brought into this country from Asia before 1904, is responsible for the death of millions of acres of chestnut growth in New England and the Middle Atlantic States. The disease spread rapidly to nearly all parts of the range of the native chestnut, and the remaining stands of the southern Appalachians face certain destruction. The present known distribution, its symptoms, and the fungus that causes the disease are described. The blight fungus itself does not have any effect upon the strength of chestnut timber, and blight-killed trees can be utilized for poles, posts, cordwood, lumber, and extract wood. Search is being made for native and foreign chestnuts resistant to the disease in the hope of finding a tree suitable for replacing the rapidly disappearing stands. Seedlings of Asiatic chestnuts, which have considerable natural resistance even though not immune, are being tested in the United States." -- p. ii
Date: 1930
Creator: Gravatt, G. F. & Gill, L. S.
Object Type: Pamphlet
System: The UNT Digital Library