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The Cross Section, Volume 13, Number 11, April 1967
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1967
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 12, Number 11, April 1966
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1966
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 11, Number 11, April 1965
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1965
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 10, Number 11, April 1964
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1964
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 9, Number 11, April 1963
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1963
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 8, Number 11, April 1962
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1962
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 7, Number 11, April 1961
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1961
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 6, Number 11, April 1960
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1960
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 5, Number 11, April 1959
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1959
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 4, Number 11, April 1958
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1958
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 3, Number 10, April 1957
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1957
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 2, Number 10, April 1956
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1956
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Cross Section, Volume 1, Number 10, April 1955
Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date:
April 1955
Creator:
High Plains Underground Water Conservation District No. 1 (Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Aerodrome
Patent for an aerodrome. Illustrations included.
Date:
April 16, 1912
Creator:
Helm, Amos J.
Object Type:
Patent
System:
The Portal to Texas History