Station Name: Monte Alto

4-Character ID: MONA

Country: Mexico

 

Reported By: Feaux and Alvarado

Date: 22 SEP 98

Mark Set By: UNAVCO/UNAM

Date Set: 22 SEP 98

 

Latitude: 16 42.5689’ N

Longitude: 99 27.4465 W

Height: 51.7 m

Position Source: Trimble

Magnetic Declination: 7^o East (Magnetic North is East of True North)

Declination Source: Declination as per USGS model IGRF-95, September 1998.

 

Site Topo: Carta Topografica 1:250000, Acapulco, E14-11

Other Maps: Carta Topografica 1:50000, San Marcos, E14C58

Carta Topografica 1:50000, Llano De La Puerta, E14C68

 

Site Owner: Mexican Government

 

Location: Next to the dirt road, outside of the town of Monte Alto.

 

To Reach: 0.00 ---- From Acapulco, drive south-east on hwy 200 to the km 51 marker.

 

0.80 0.80 Turn right (south) at a dirt road leading to Monte Alto and El Dorado.

 

4.30 3.50 Pass a large creek flowing through the road.

 

7.50 3.20 Pass a small creek flowing though the road (probably seasonal).

 

8.00 0.50 Pass the Monte Alto Store (on the right) in the town of Monte Alto.

 

8.10 0.10 Pass the Main Plaza in downtown Monte Alto. Continue straight.

 

8.30 0.20 A road splits off the main road to the right. Continue on the main road

(left).

 

8.80 0.50 Pass a small creek in the road (seasonal).

 

9.10 0.30 Small rock outcrop, approximately 3 meters on the east side (left) of the

road.

 

The mark is located in this small rock outcrop. The reference mark is

located approximately 25 meters to the north in another, more fractured,

piece of bedrock.

 

Main Station Mark: Stainless steel pin with center punch, inscription MONA S, set in bedrock.

 

Reference Mark #1: Stainless steel pin with center punch, inscription MONA RM1, set in bedrock.

Reference mark is located approximately 25 meters from the main mark at

340degrees azimuth.

 

Geology: Granitic outcrop.

 

Comments: Telephone and access to a/c power can be found in the town of Monte Alto. The

closest place for medical service and gasoline will be in Acapulco. A truck

with clearance is needed to reach this site. In the rainy season, a 4-wheel drive vehicle

most likely will be required to reach this site. Bring a machete to this site, to clear

vegetation around the reference mark.

 

Hotels: Nearest lodging in Acapulco.

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