Western National Parks Association

A man holding a measuring tape. Behind him is a saguaro.

NPS Photo

 
A man using a clinometer. Next to him are two women. One of them is teaching the other on how to use a clinometer.

NPS Photo

 
A woman unrolling a measuring tape to measure her distance from a saguaro. Another woman is looking into the distance.

NPS Photo

 
A woman holding flags walking away from a saguaro. Behind her is a man holding on the end of a tape measure, next to a saguaro.

NPS Photo

 
A smiling woman holding a white meter stick. Next to the meter stick is a short saguaro with an orange flag through it. It is about 5 inches in height.

NPS Photo

 
A scenic view of the plot.

NPS Photo

 
Two volunteers looking through each of their clinometer to find the height of the same saguaro.

NPS Photo

 
A group of volunteers surrounding a saguaro. One of them is looking at her data sheet. Another is holding a folding ruler. The last one is looking at the base of a saguaro.

NPS Photo

 
A woman squatting down to measure the height of a short saguaro at least 7 inches tall.

NPS Photo

 
A man standing next to two saguaros.

NPS Photo

 
A group of volunteers surrounding a saguaro. One of them is using a folding ruler to find its height.

NPS Photo

 
Two volunteers holding a measuring tape, yellow flag, and a white folding ruler. Behind them are two saguaros.

NPS Photo

 
Volunteers both using a clinometer to find the height of the same saguaro.

NPS Photo

 
A group of women surrounding a short saguaro with a yellow flag through it. One of them is using a meter stick to find the height of the saguaro while the other one is writing down data.

NPS Photo

 
A man on his knees. He is giving a folding ruler he used to measure the height of a small saguaro.

NPS Photo

 
Group photo after the census

NPS Photo

Last updated: January 27, 2020

Contact Info

Mailing Address:

3693 S Old Spanish Trail
Tucson, AZ 85730

Phone:

520 733-5153
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