7 Day Duration, 50-100 yr. Recurrence, 7000 CF/S 62 ' Joint Use Pool

https://digital.library.illinois.edu/items/57c95df0-b753-0139-78e9-02d0d7bfd6e4-5

Descriptive Information

Creator

Harza Engineering Company

County

Piatt County

Country

United States

State

Illinois

Subject

Floods

Genre

Maps

Date

1970

Scale

Scale 1:2,400. 1 in. = 200 ft.

Description

Includes key map and notes indicating the frequency of flooding at specified elevations.
Sheet no. 3.
Selected contours highlighted manually by black ink.
Base map: "Robert Allerton Park topography map ... data compiled from maps prepared by Corps of Engineers."
Printed on semitransparent paper.
Source: Letter, Harza Eng. Co. 17 Mar 1970.--Handwritten.
Relief shown by contours.
Published March 17, 1970.

Extent

19 x 25 cm

Type

Cartographic material

Repository

Map Library

Resource Identifier

99954869494705899

Collection Title

Allerton Park Maps and Air Photos

Collection

Allerton Park Maps and Air Photos

Title	7 Day Duration, 50-100 yr. Recurrence, 7000 CF/S 62 ' Joint Use Pool
Creator	Harza Engineering Company
County	Piatt County
Country	United States
State	Illinois
Subject	Floods
Genre	Maps
Date	1970
Scale	Scale 1:2,400. 1 in. = 200 ft.
Description	Includes key map and notes indicating the frequency of flooding at specified elevations. Sheet no. 3. Selected contours highlighted manually by black ink. Base map: "Robert Allerton Park topography map ... data compiled from maps prepared by Corps of Engineers." Printed on semitransparent paper. Source: Letter, Harza Eng. Co. 17 Mar 1970.--Handwritten. Relief shown by contours. Published March 17, 1970.
Extent	19 x 25 cm
Type	Cartographic material
Repository	Map Library
Resource Identifier	99954869494705899
Collection Title	Allerton Park Maps and Air Photos
Collection	Allerton Park Maps and Air Photos

7 Day Duration, 50-100 yr. Recurrence, 7000 CF/S 62 ' Joint Use Pool