# ESF#3 Field Guide

> ESF#3 Field Guide (iPhone/iPad app by Donald Schlack.)

- Source: https://appshunter.io/ios/app/esf3-field-guide/id1632993581 (this page in markdown: same URL + `.md`)
- Developer: [Donald Schlack](https://appshunter.io/developer/1403171629)
- Category: Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 98 MB
- Languages: American English
- Released: 2022-07-05
- Data updated: 2026-08-02
- User reviews in markdown: https://appshunter.io/ios/app/esf3-field-guide/id1632993581/reviews.md

## What is ESF#3 Field Guide?

The ESF#3 Field Guide App is used by ESF#3 Team Leads, Assistant Team Leads and our federal and state partners during disaster response.  It contains references and information about the various missions that USACE executes.


## Version history (last 5 releases)

### 4.2 — 2026-07-31

Corrections in colors and updates in the EERT page.

### 4.1 — 2026-07-06

Updated buttons and backgrounds.

### 4.0 — 2026-06-30

Includes updates in the 2026 Guide.  Converted some of the graphics into tables for better viewing.

### 3.0 — 2025-09-01

Fixed a broken link for the Gulf of Mexico.

### 2.72 — 2023-07-27

Added a link for the National Levee Database.

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## More apps by Donald Schlack

- [ESF#3 Temp Power 2](https://appshunter.io/ios/app/esf3-temp-power-2/id1469511696)
- [ESF#3 Generator Requirements](https://appshunter.io/ios/app/esf3-generator-requirements/id1501805138)
- [Craft Creations](https://appshunter.io/ios/app/craft-creations/id1669170536)
- [Hospital Maintenance](https://appshunter.io/ios/app/hospital-maintenance/id6444302019)
- [Sargassum](https://appshunter.io/ios/app/sargassum/id6499489832)

All apps by Donald Schlack: https://appshunter.io/developer/1403171629

## Related topics

[decon field guide](https://appshunter.io/ios/topics/decon-field-guide)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-02.*