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Open-File Report 2007–1383

U.S. GEOLOGICAL SURVEY
Open-File Report 2007–1383

Head Observation Organizer (HObO)

Prepared in cooperation with the U.S. Department of Energy,
National Nuclear Security Administration Nevada Site Office under Interagency Agreement,
DE-A152-07NA28100

By Steven Predmore

Abstract

The Head Observation Organizer, HObO, is a computer program that stores and manages measured ground-water levels. HObO was developed to help ground-water modelers compile, manage, and document water-level data needed to calibrate ground-water models. Well-construction and water-level data from the U.S. Geological Survey National Water Database (NWIS) easily can be imported into HObO from the NWIS web site (NWISWeb). The water-level data can be flagged to determine which data will be included in the calibration data set. The utility program HObO_NWISWeb was developed to simplify the down loading of well and water-level data from NWISWeb. An ArcGIS NWISWeb Extension was developed to retrieve site information from NWISWeb. A tutorial is presented showing the basic elements of HObO.

Contents

Abstract
Introduction
User Interface
Tutorial
References Cited
Appendix 1
Appendix 2
Appendix 3

This report is available online in Portable Document Format (PDF). If you do not have the Adobe Reader, it is available for free download from Adobe Systems Incorporated.

Download the report (PDF, 4 MB)

Download the USGS HObO Installer (HObOInstaller.msi, 1.3 MB)

Download the USGS NWIS Web Extension (NWISWebExtensionSetup.msi, 389 KB)

Document Accessibility: Adobe Systems Incorporated has information about PDFs and the visually impaired. This information provides tools to help make PDF files accessible. These tools convert Adobe PDF documents into HTML or ASCII text, which then can be read by a number of common screen-reading programs that synthesize text as audible speech. In addition, an accessible version of Adobe Reader 8.0 for Windows (English only), which contains support for screen readers, is available. These tools and the accessible reader may be obtained free from Adobe at Adobe Access.

Send questions or comments about this report to the author, Steven Predmore.

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