FIELD OFFICE TECHNICAL GUIDE

Section II – Soil Resources

Certification of Soil and Site Information

Holbrook Field Office

1. The “official soil survey data” for the following soil survey area(s) consists of 3 parts: Refer to item 2 for non project areas without published data.

1.  Navajo County Area, AZ, Central Part (AZ633)

Part 1. Tabular data from the Soil Data Mart Soil Data Mart

Part 2. Spatial data from the Soil Data Mart Soil Data Mart

Part 3. Mapping unit and soil descriptions contained in the designated “Official Copy” of the

published soil survey on file in the Field Office and/or the manuscripts are posted in

the Soil Data Mart. Soil Data Mart

2. Current “Descriptive Legend” for each nonproject area is on file and referenced in the FOTG. All “request” mapping prior to March 2000 is located, organized, and referenced in the Descriptive Legend.

1.  No nonproject or request mapping required this date.

Additional soil surveys used by this field office are: Apache County, Arizona, Central Part AZ635 and Coconino County, Arizona, Central Part AZ631

The official copy of these data reside respectively in the Springerville Field Office and Flagstaff Field Office.

Request mapping after March 2000 includes the following minimum content:

1)  Sufficient soil data entered in NASIS to meet each mapping request objective and to populate the Arizona Mapping Unit Generator (MUG) template.

2)  MUG generated map unit and taxonomic unit descriptions with reference to the aerial photo used for soil mapping.

3)  Conventional and Special Symbols Legend or Feature and Symbol Legend

4)  NASIS generated tables and interpretations.

5)  Documentation to support field mapping and interpretations is on file in the field office and located by geographic coordinates.

6)  NASIS generated Identification Legend and Classification Legend.

No nonproject or request mapping required this date.

3 & 4. NASIS generated HEL and Hydric soil lists for each survey area have been prepared, are current, and are on file in the FOTG. Includes both “frozen” and “update” lists. Update lists are maintained for the purpose of updating state and national lists. Update HEL lists include soils identified after distribution of the 1990 frozen soil lists. Wind and water equation factor values remain frozen.

5. NASIS generated Prime Farmland lists for all mapping in each survey area have been prepared, are current and on file in the FOTG.

6. Request forms for Soil Scientist assistance are complete and on file in the FOTG.

7. References on file in the FOTG:

A.  Field Indicators of Hydric Soils

B.  C and R factor maps

C.  State distribution bulletins for HEL, Hydric, etc.

D.  1992 HEL exemption

E.  Arizona web address for the Arizona status maps

F.  Official Copy(s) of the published soil survey(s)

I certify the FOTG meets the above minimum requirements for the field office administrative area.

Certifying Soil Scientist: David W. Denny, MSSL, Flagstaff MMA Date: March 3, 2006

Distribution: eFOTG, FOTG, SSS