Q1. Open elevation was the first hit on a Web search for this.

Ok. Thx for your reply, marto, and several others who have pointed the way forward with better code. It will take me some time before I can incorporate the suggestions and have a different source for elevations than google, as well as avoiding having to going at it numerically by constraining hunting and pecking.

Q2 use answer for Q1 and

..., so get better data and...

host your own instance

Do you mean an instance of a HTTP::Request object as in: 

 my $req = HTTP::Request->new(

[download]

I would still think that The Google would still know it's my IP address doing the asking. (?)

Cheers,

In reply to Re^2: approximating geological problems with highway data by Aldebaran
in thread approximating geological problems with highway data by Aldebaran

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